13 files changed, 468 insertions, 311 deletions

diff --git a/g4f/Provider/Bard.py b/g4f/Provider/Bard.py
index a516227b..978fa98e 100644
--- a/g4f/Provider/Bard.py
+++ b/g4f/Provider/Bard.py
@@ -1,12 +1,9 @@
 import json
 import random
 import re
-
 from aiohttp import ClientSession
-import asyncio
 
-from ..typing import Any, CreateResult
-from .base_provider import AsyncProvider, get_cookies
+from .base_provider import AsyncProvider, get_cookies, format_prompt
 
 class Bard(AsyncProvider):
     url = "https://bard.google.com"
@@ -19,15 +16,14 @@ class Bard(AsyncProvider):
         model: str,
         messages: list[dict[str, str]],
         proxy: str = None,
-        cookies: dict = get_cookies(".google.com"), **kwargs: Any,) -> str:
-
-        formatted = "\n".join(
-            ["%s: %s" % (message["role"], message["content"]) for message in messages]
-        )
-        prompt = f"{formatted}\nAssistant:"
-
+        cookies: dict = None,
+        **kwargs
+    ) -> str:
+        prompt = format_prompt(messages)
         if proxy and "://" not in proxy:
             proxy = f"http://{proxy}"
+        if not cookies:
+            cookies = get_cookies(".google.com")
 
         headers = {
             'authority': 'bard.google.com',
@@ -44,10 +40,11 @@ class Bard(AsyncProvider):
         ) as session:
             async with session.get(cls.url, proxy=proxy) as response:
                 text = await response.text()
-            
+
             match = re.search(r'SNlM0e\":\"(.*?)\"', text)
-            if match:
-                snlm0e = match.group(1)
+            if not match:
+                raise RuntimeError("No snlm0e value.")
+            snlm0e = match.group(1)
             
             params = {
                 'bl': 'boq_assistant-bard-web-server_20230326.21_p0',
diff --git a/g4f/Provider/Bing.py b/g4f/Provider/Bing.py
index fe4f9a58..84be4212 100644
--- a/g4f/Provider/Bing.py
+++ b/g4f/Provider/Bing.py
@@ -15,8 +15,11 @@ class Bing(AsyncGeneratorProvider):
     def create_async_generator(
             model: str,
             messages: list[dict[str, str]],
-            cookies: dict = get_cookies(".bing.com"), **kwargs) -> AsyncGenerator:
-        
+            cookies: dict = None,
+            **kwargs
+        ) -> AsyncGenerator:
+        if not cookies:
+            cookies = get_cookies(".bing.com")
         if len(messages) < 2:
             prompt = messages[0]["content"]
             context = None
@@ -273,15 +276,4 @@ async def stream_generate(
                             final = True
                             break
         finally:
-            await delete_conversation(session, conversation)
-
-def run(generator: AsyncGenerator[Union[Any, str], Any]):
-    loop = asyncio.get_event_loop()
-    gen = generator.__aiter__()
-
-    while True:
-        try:
-            yield loop.run_until_complete(gen.__anext__())
-
-        except StopAsyncIteration:
-            break
+            await delete_conversation(session, conversation)
\ No newline at end of file
diff --git a/g4f/Provider/H2o.py b/g4f/Provider/H2o.py
index ea4d0825..ac5fcfb7 100644
--- a/g4f/Provider/H2o.py
+++ b/g4f/Provider/H2o.py
@@ -1,78 +1,85 @@
-import json, uuid, requests
+import json
+import uuid
+from aiohttp import ClientSession
 
-from ..typing       import Any, CreateResult
-from .base_provider import BaseProvider
+from ..typing import AsyncGenerator
+from .base_provider import AsyncGeneratorProvider, format_prompt
 
 
-class H2o(BaseProvider):
-    url             = "https://gpt-gm.h2o.ai"
-    working         = True
+class H2o(AsyncGeneratorProvider):
+    url = "https://gpt-gm.h2o.ai"
+    working = True
     supports_stream = True
     model           = "h2oai/h2ogpt-gm-oasst1-en-2048-falcon-40b-v1"
 
-    @staticmethod
-    def create_completion(
+    @classmethod
+    async def create_async_generator(
+        cls,
         model: str,
         messages: list[dict[str, str]],
-        stream: bool, **kwargs: Any) -> CreateResult:
-        
-        conversation = ""
-        for message in messages:
-            conversation += "%s: %s\n" % (message["role"], message["content"])
-        conversation += "assistant: "
-
-        session = requests.Session()
-
-        headers = {"Referer": "https://gpt-gm.h2o.ai/r/jGfKSwU"}
-        data = {
-            "ethicsModalAccepted"               : "true",
-            "shareConversationsWithModelAuthors": "true",
-            "ethicsModalAcceptedAt"             : "",
-            "activeModel"                       : model,
-            "searchEnabled"                     : "true",
-        }
-        
-        session.post("https://gpt-gm.h2o.ai/settings",
-                     headers=headers, data=data)
-
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncGenerator:
+        model = model if model else cls.model
         headers = {"Referer": "https://gpt-gm.h2o.ai/"}
-        data    = {"model": model}
-
-        response = session.post("https://gpt-gm.h2o.ai/conversation",
-                                headers=headers, json=data).json()
-        
-        if "conversationId" not in response:
-            return
 
-        data = {
-            "inputs": conversation,
-            "parameters": {
-                "temperature"   : kwargs.get("temperature", 0.4),
-                "truncate"          : kwargs.get("truncate", 2048),
-                "max_new_tokens"    : kwargs.get("max_new_tokens", 1024),
-                "do_sample"         : kwargs.get("do_sample", True),
-                "repetition_penalty": kwargs.get("repetition_penalty", 1.2),
-                "return_full_text"  : kwargs.get("return_full_text", False),
-            },
-            "stream" : True,
-            "options": {
-                "id"           : kwargs.get("id", str(uuid.uuid4())),
-                "response_id"  : kwargs.get("response_id", str(uuid.uuid4())),
-                "is_retry"     : False,
-                "use_cache"    : False,
-                "web_search_id": "",
-            },
-        }
+        async with ClientSession(
+            headers=headers
+        ) as session:
+            data = {
+                "ethicsModalAccepted": "true",
+                "shareConversationsWithModelAuthors": "true",
+                "ethicsModalAcceptedAt": "",
+                "activeModel": model,
+                "searchEnabled": "true",
+            }
+            async with session.post(
+                "https://gpt-gm.h2o.ai/settings",
+                proxy=proxy,
+                data=data
+            ) as response:
+                response.raise_for_status()
 
-        response = session.post(f"https://gpt-gm.h2o.ai/conversation/{response['conversationId']}",
-            headers=headers, json=data)
-        
-        response.raise_for_status()
-        response.encoding = "utf-8"
-        generated_text    = response.text.replace("\n", "").split("data:")
-        generated_text    = json.loads(generated_text[-1])
+            async with session.post(
+                "https://gpt-gm.h2o.ai/conversation",
+                proxy=proxy,
+                json={"model": model},
+            ) as response:
+                response.raise_for_status()
+                conversationId = (await response.json())["conversationId"]
 
-        yield generated_text["generated_text"]
+            data = {
+                "inputs": format_prompt(messages),
+                "parameters": {
+                    "temperature": 0.4,
+                    "truncate": 2048,
+                    "max_new_tokens": 1024,
+                    "do_sample":  True,
+                    "repetition_penalty": 1.2,
+                    "return_full_text": False,
+                    **kwargs
+                },
+                "stream": True,
+                "options": {
+                    "id": str(uuid.uuid4()),
+                    "response_id": str(uuid.uuid4()),
+                    "is_retry": False,
+                    "use_cache": False,
+                    "web_search_id": "",
+                },
+            }
+            async with session.post(
+                f"https://gpt-gm.h2o.ai/conversation/{conversationId}",
+                proxy=proxy,
+                json=data
+             ) as response:
+                start = "data:"
+                async for line in response.content:
+                    line = line.decode("utf-8")
+                    if line and line.startswith(start):
+                        line = json.loads(line[len(start):-1])
+                        if not line["token"]["special"]:
+                            yield line["token"]["text"]
 
     @classmethod
     @property
diff --git a/g4f/Provider/Hugchat.py b/g4f/Provider/Hugchat.py
deleted file mode 100644
index 80062af1..00000000
--- a/g4f/Provider/Hugchat.py
+++ /dev/null
@@ -1,65 +0,0 @@
-has_module = False
-try:
-    from hugchat.hugchat import ChatBot
-except ImportError:
-    has_module = False
-
-from .base_provider import BaseProvider, get_cookies
-from g4f.typing     import CreateResult
-
-class Hugchat(BaseProvider):
-    url        = "https://huggingface.co/chat/"
-    needs_auth = True
-    working    = has_module
-    llms       = ['OpenAssistant/oasst-sft-6-llama-30b-xor', 'meta-llama/Llama-2-70b-chat-hf']
-
-    @classmethod
-    def create_completion(
-        cls,
-        model: str,
-        messages: list[dict[str, str]],
-        stream: bool = False,
-        proxy: str = None,
-        cookies: str = get_cookies(".huggingface.co"), **kwargs) -> CreateResult:
-        
-        bot = ChatBot(
-            cookies=cookies)
-        
-        if proxy and "://" not in proxy:
-            proxy = f"http://{proxy}"
-            bot.session.proxies = {"http": proxy, "https": proxy}
-
-        if model:
-            try:
-                if not isinstance(model, int):
-                    model = cls.llms.index(model)
-                bot.switch_llm(model)
-            except:
-                raise RuntimeError(f"Model are not supported: {model}")
-
-        if len(messages) > 1:
-            formatted = "\n".join(
-                ["%s: %s" % (message["role"], message["content"]) for message in messages]
-            )
-            prompt = f"{formatted}\nAssistant:"
-        else:
-            prompt = messages.pop()["content"]
-
-        try:
-            yield bot.chat(prompt, **kwargs)
-        finally:
-            bot.delete_conversation(bot.current_conversation)
-            bot.current_conversation = ""
-            pass
-
-    @classmethod
-    @property
-    def params(cls):
-        params = [
-            ("model", "str"),
-            ("messages", "list[dict[str, str]]"),
-            ("stream", "bool"),
-            ("proxy", "str"),
-        ]
-        param = ", ".join([": ".join(p) for p in params])
-        return f"g4f.provider.{cls.__name__} supports: ({param})"
diff --git a/g4f/Provider/HuggingChat.py b/g4f/Provider/HuggingChat.py
new file mode 100644
index 00000000..4564d7b3
--- /dev/null
+++ b/g4f/Provider/HuggingChat.py
@@ -0,0 +1,107 @@
+import json
+from aiohttp import ClientSession
+
+from ..typing import AsyncGenerator
+from .base_provider import AsyncGeneratorProvider, get_cookies, format_prompt
+
+
+class HuggingChat(AsyncGeneratorProvider):
+    url = "https://huggingface.co/chat/"
+    needs_auth = True
+    working = True
+    model = "OpenAssistant/oasst-sft-6-llama-30b-xor"
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: list[dict[str, str]],
+        stream: bool = True,
+        proxy: str = None,
+        cookies: dict = None,
+        **kwargs
+    ) -> AsyncGenerator:
+        if not cookies:
+            cookies = get_cookies(".huggingface.co")
+        model = model if model else cls.model
+        if proxy and "://" not in proxy:
+            proxy = f"http://{proxy}"
+
+        headers = {
+            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36',
+        }
+        async with ClientSession(
+            cookies=cookies,
+            headers=headers
+        ) as session:
+            async with session.post("https://huggingface.co/chat/conversation", proxy=proxy, json={"model": model}) as response:
+                conversation_id = (await response.json())["conversationId"]
+
+            send = {
+                "inputs": format_prompt(messages),
+                "parameters": {
+                    "temperature": 0.2,
+                    "truncate": 1000,
+                    "max_new_tokens": 1024,
+                    "stop": ["</s>"],
+                    "top_p": 0.95,
+                    "repetition_penalty": 1.2,
+                    "top_k": 50,
+                    "return_full_text": False,
+                    **kwargs
+                },
+                "stream": stream,
+                "options": {
+                    "id": "9e9b8bc4-6604-40c6-994e-8eb78fa32e37",
+                    "response_id": "04ce2602-3bea-45e8-8efc-cef00680376a",
+                    "is_retry": False,
+                    "use_cache": False,
+                    "web_search_id": ""
+                }
+            }
+            start = "data:"
+            first = True
+            async with session.post(f"https://huggingface.co/chat/conversation/{conversation_id}", proxy=proxy, json=send) as response:
+                async for line in response.content:
+                    line = line.decode("utf-8")
+                    if not line:
+                        continue
+                    if not stream:
+                        try:
+                            data = json.loads(line)
+                        except json.decoder.JSONDecodeError:
+                            raise RuntimeError(f"No json: {line}")
+                        if "error" in data:
+                            raise RuntimeError(data["error"])
+                        elif isinstance(data, list):
+                            yield data[0]["generated_text"]
+                        else:
+                            raise RuntimeError(f"Response: {line}")
+                    elif line.startswith(start):
+                        line = json.loads(line[len(start):-1])
+                        if not line:
+                            continue
+                        if "token" not in line:
+                            raise RuntimeError(f"Response: {line}")
+                        if not line["token"]["special"]:
+                            if first:
+                                yield line["token"]["text"].lstrip()
+                                first = False
+                            else:
+                                yield line["token"]["text"]
+                
+            async with session.delete(f"https://huggingface.co/chat/conversation/{conversation_id}", proxy=proxy) as response:
+                response.raise_for_status()
+
+
+    @classmethod
+    @property
+    def params(cls):
+        params = [
+            ("model", "str"),
+            ("messages", "list[dict[str, str]]"),
+            ("stream", "bool"),
+            ("proxy", "str"),
+        ]
+        param = ", ".join([": ".join(p) for p in params])
+        return f"g4f.provider.{cls.__name__} supports: ({param})"
diff --git a/g4f/Provider/Liaobots.py b/g4f/Provider/Liaobots.py
index a8bb83e8..e69a565e 100644
--- a/g4f/Provider/Liaobots.py
+++ b/g4f/Provider/Liaobots.py
@@ -1,59 +1,77 @@
-import uuid, requests
+import uuid
+import json
+from aiohttp import ClientSession
 
-from ..typing       import Any, CreateResult
-from .base_provider import BaseProvider
+from ..typing import AsyncGenerator
+from .base_provider import AsyncGeneratorProvider
 
+models = {
+    "gpt-4": {
+        "id": "gpt-4",
+        "name": "GPT-4",
+        "maxLength": 24000,
+        "tokenLimit": 8000,
+    },
+    "gpt-3.5-turbo": {
+        "id": "gpt-3.5-turbo",
+        "name": "GPT-3.5",
+        "maxLength": 12000,
+        "tokenLimit": 4000,
+    },
+    "gpt-3.5-turbo-16k": {
+        "id": "gpt-3.5-turbo-16k",
+        "name": "GPT-3.5-16k",
+        "maxLength": 48000,
+        "tokenLimit": 16000,
+    },
+}
 
-class Liaobots(BaseProvider):
-    url: str                = "https://liaobots.com"
-    supports_stream         = True
-    needs_auth              = True
-    supports_gpt_35_turbo   = True
-    supports_gpt_4          = True
+class Liaobots(AsyncGeneratorProvider):
+    url = "https://liaobots.com"
+    supports_stream = True
+    supports_gpt_35_turbo = True
+    supports_gpt_4 = True
+    _auth_code = None
 
-    @staticmethod
-    def create_completion(
+    @classmethod
+    async def create_async_generator(
+        cls,
         model: str,
         messages: list[dict[str, str]],
-        stream: bool, **kwargs: Any) -> CreateResult:
-        
+        auth: str = None,
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncGenerator:
+        if proxy and "://" not in proxy:
+            proxy = f"http://{proxy}"
         headers = {
-            "authority"     : "liaobots.com",
-            "content-type"  : "application/json",
-            "origin"        : "https://liaobots.com",
-            "referer"       : "https://liaobots.com/",
-            "user-agent"    : "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36",
-            "x-auth-code"   : str(kwargs.get("auth")),
-        }
-        
-        models = {
-            "gpt-4": {
-                "id": "gpt-4",
-                "name": "GPT-4",
-                "maxLength": 24000,
-                "tokenLimit": 8000,
-            },
-            "gpt-3.5-turbo": {
-                "id": "gpt-3.5-turbo",
-                "name": "GPT-3.5",
-                "maxLength": 12000,
-                "tokenLimit": 4000,
-            },
-        }
-        json_data = {
-            "conversationId": str(uuid.uuid4()),
-            "model"         : models[model],
-            "messages"      : messages,
-            "key"           : "",
-            "prompt"        : "You are ChatGPT, a large language model trained by OpenAI. Follow the user's instructions carefully. Respond using markdown.",
+            "authority": "liaobots.com",
+            "content-type": "application/json",
+            "origin": "https://liaobots.com",
+            "referer": "https://liaobots.com/",
+            "user-agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36",
         }
+        async with ClientSession(
+            headers=headers
+        ) as session:
+            model = model if model in models else "gpt-3.5-turbo"
+            auth_code = auth if isinstance(auth, str) else cls._auth_code
+            if not auth_code:
+                async with session.post("https://liaobots.com/api/user", proxy=proxy, json={"authcode": ""}) as response:
+                    response.raise_for_status()
+                    auth_code = cls._auth_code = json.loads((await response.text()))["authCode"]
+            data = {
+                "conversationId": str(uuid.uuid4()),
+                "model": models[model],
+                "messages": messages,
+                "key": "",
+                "prompt": "You are ChatGPT, a large language model trained by OpenAI. Follow the user's instructions carefully.",
+            }
+            async with session.post("https://liaobots.com/api/chat", proxy=proxy, json=data, headers={"x-auth-code": auth_code}) as response:
+                response.raise_for_status()
+                async for line in response.content:
+                    yield line.decode("utf-8")
 
-        response = requests.post("https://liaobots.com/api/chat",
-            headers=headers, json=json_data, stream=True)
-        
-        response.raise_for_status()
-        for token in response.iter_content(chunk_size=2046):
-            yield token.decode("utf-8")
 
     @classmethod
     @property
@@ -62,6 +80,7 @@ class Liaobots(BaseProvider):
             ("model", "str"),
             ("messages", "list[dict[str, str]]"),
             ("stream", "bool"),
+            ("proxy", "str"),
             ("auth", "str"),
         ]
         param = ", ".join([": ".join(p) for p in params])
diff --git a/g4f/Provider/OpenAssistant.py b/g4f/Provider/OpenAssistant.py
new file mode 100644
index 00000000..542af78f
--- /dev/null
+++ b/g4f/Provider/OpenAssistant.py
@@ -0,0 +1,98 @@
+import json
+from aiohttp import ClientSession
+
+from ..typing import Any, AsyncGenerator
+from .base_provider import AsyncGeneratorProvider, get_cookies, format_prompt
+
+class OpenAssistant(AsyncGeneratorProvider):
+    url = "https://open-assistant.io/chat"
+    needs_auth = True
+    working = True
+    model = "OA_SFT_Llama_30B_6"
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: list[dict[str, str]],
+        proxy: str = None,
+        cookies: dict = None,
+        **kwargs: Any
+    ) -> AsyncGenerator:
+        if proxy and "://" not in proxy:
+            proxy = f"http://{proxy}"
+        if not cookies:
+            cookies = get_cookies("open-assistant.io")
+
+        headers = {
+            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36',
+        }
+        async with ClientSession(
+            cookies=cookies,
+            headers=headers
+        ) as session:
+            async with session.post("https://open-assistant.io/api/chat", proxy=proxy) as response:
+                chat_id = (await response.json())["id"]
+
+            data = {
+                "chat_id": chat_id,
+                "content": f"<s>[INST]\n{format_prompt(messages)}\n[/INST]",
+                "parent_id": None
+            }
+            async with session.post("https://open-assistant.io/api/chat/prompter_message", proxy=proxy, json=data) as response:
+                parent_id = (await response.json())["id"]
+
+            data = {
+                "chat_id": chat_id,
+                "parent_id": parent_id,
+                "model_config_name": model if model else cls.model,
+                "sampling_parameters":{
+                    "top_k": 50,
+                    "top_p": None,
+                    "typical_p": None,
+                    "temperature": 0.35,
+                    "repetition_penalty": 1.1111111111111112,
+                    "max_new_tokens": 1024,
+                    **kwargs
+                },
+                "plugins":[]
+            }
+            async with session.post("https://open-assistant.io/api/chat/assistant_message", proxy=proxy, json=data) as response:
+                data = await response.json()
+                if "id" in  data:
+                    message_id = data["id"]
+                elif "message" in data:
+                    raise RuntimeError(data["message"])
+                else:
+                    response.raise_for_status()
+            
+            params = {
+                'chat_id': chat_id,
+                'message_id': message_id,
+            }
+            async with session.post("https://open-assistant.io/api/chat/events", proxy=proxy, params=params) as response:
+                start = "data: "
+                async for line in response.content:
+                    line = line.decode("utf-8")
+                    if line and line.startswith(start):
+                        line = json.loads(line[len(start):])
+                        if line["event_type"] == "token":
+                            yield line["text"]
+
+            params = {
+                'chat_id': chat_id,
+            }
+            async with session.delete("https://open-assistant.io/api/chat", proxy=proxy, params=params) as response:
+                response.raise_for_status()
+
+    @classmethod
+    @property
+    def params(cls):
+        params = [
+            ("model", "str"),
+            ("messages", "list[dict[str, str]]"),
+            ("stream", "bool"),
+            ("proxy", "str"),
+        ]
+        param = ", ".join([": ".join(p) for p in params])
+        return f"g4f.provider.{cls.__name__} supports: ({param})"
diff --git a/g4f/Provider/OpenaiChat.py b/g4f/Provider/OpenaiChat.py
index c023c898..9ca0cd58 100644
--- a/g4f/Provider/OpenaiChat.py
+++ b/g4f/Provider/OpenaiChat.py
@@ -4,8 +4,11 @@ try:
 except ImportError:
     has_module = False
 
-from .base_provider import AsyncGeneratorProvider, get_cookies
-from ..typing       import AsyncGenerator
+from .base_provider import AsyncGeneratorProvider, get_cookies, format_prompt
+from ..typing import AsyncGenerator
+from httpx import AsyncClient
+import json
+
 
 class OpenaiChat(AsyncGeneratorProvider):
     url                   = "https://chat.openai.com"
@@ -14,6 +17,7 @@ class OpenaiChat(AsyncGeneratorProvider):
     supports_gpt_35_turbo = True
     supports_gpt_4        = True
     supports_stream       = True
+    _access_token         = None
 
     @classmethod
     async def create_async_generator(
@@ -21,9 +25,9 @@ class OpenaiChat(AsyncGeneratorProvider):
         model: str,
         messages: list[dict[str, str]],
         proxy: str = None,
-        access_token: str = None,
+        access_token: str = _access_token,
         cookies: dict = None,
-        **kwargs
+        **kwargs: dict
     ) -> AsyncGenerator:
         
         config = {"access_token": access_token, "model": model}
@@ -37,21 +41,12 @@ class OpenaiChat(AsyncGeneratorProvider):
         )
 
         if not access_token:
-            cookies      = cookies if cookies else get_cookies("chat.openai.com")
-            response     = await bot.session.get("https://chat.openai.com/api/auth/session", cookies=cookies)
-            access_token = response.json()["accessToken"]
-            bot.set_access_token(access_token)
-
-        if len(messages) > 1:
-            formatted = "\n".join(
-                ["%s: %s" % ((message["role"]).capitalize(), message["content"]) for message in messages]
-            )
-            prompt = f"{formatted}\nAssistant:"
-        else:
-            prompt = messages.pop()["content"]
+            cookies = cookies if cookies else get_cookies("chat.openai.com")
+            cls._access_token = await get_access_token(bot.session, cookies)
+            bot.set_access_token(cls._access_token)
 
         returned = None
-        async for message in bot.ask(prompt):
+        async for message in bot.ask(format_prompt(messages)):
             message = message["message"]
             if returned:
                 if message.startswith(returned):
@@ -61,6 +56,9 @@ class OpenaiChat(AsyncGeneratorProvider):
             else:
                 yield message
             returned = message
+        
+        await bot.delete_conversation(bot.conversation_id)
+
 
     @classmethod
     @property
@@ -73,3 +71,12 @@ class OpenaiChat(AsyncGeneratorProvider):
         ]
         param = ", ".join([": ".join(p) for p in params])
         return f"g4f.provider.{cls.__name__} supports: ({param})"
+    
+
+async def get_access_token(session: AsyncClient, cookies: dict):
+    response = await session.get("https://chat.openai.com/api/auth/session", cookies=cookies)
+    response.raise_for_status()
+    try:
+        return response.json()["accessToken"]
+    except json.decoder.JSONDecodeError:
+        raise RuntimeError(f"Response: {response.text}")
\ No newline at end of file
diff --git a/g4f/Provider/You.py b/g4f/Provider/You.py
index 38167999..1fbe1eb6 100644
--- a/g4f/Provider/You.py
+++ b/g4f/Provider/You.py
@@ -1,55 +1,37 @@
-import urllib.parse, json
+from aiohttp import ClientSession
+import json
 
-from curl_cffi      import requests
-from ..typing       import Any, CreateResult
-from .base_provider import BaseProvider
+from ..typing import AsyncGenerator
+from .base_provider import AsyncGeneratorProvider, format_prompt, get_cookies
 
 
-class You(BaseProvider):
-    url                   = "https://you.com"
-    working               = True
+class You(AsyncGeneratorProvider):
+    url = "https://you.com"
+    working = True
     supports_gpt_35_turbo = True
+    supports_stream = True
 
     @staticmethod
-    def create_completion(
+    async def create_async_generator(
         model: str,
         messages: list[dict[str, str]],
-        stream: bool, **kwargs: Any) -> CreateResult:
-        
-        url_param = _create_url_param(messages, kwargs.get("history", []))
-        headers   = _create_header()
-        
-        response = requests.get(f"https://you.com/api/streamingSearch?{url_param}",
-            headers=headers, impersonate="chrome107")
-        
-        response.raise_for_status()
-        
-        start = 'data: {"youChatToken": '
-        for line in response.content.splitlines():
-            line = line.decode('utf-8')
-            if line.startswith(start):
-                yield json.loads(line[len(start): -1])
-
-def _create_url_param(messages: list[dict[str, str]], history: list[dict[str, str]]):
-    prompt = ""
-    for message in messages:
-        prompt += "%s: %s\n" % (message["role"], message["content"])
-    prompt += "assistant:"
-    chat = _convert_chat(history)
-    param = {"q": prompt, "domain": "youchat", "chat": chat}
-    return urllib.parse.urlencode(param)
-
-
-def _convert_chat(messages: list[dict[str, str]]):
-    message_iter = iter(messages)
-    return [
-        {"question": user["content"], "answer": assistant["content"]}
-        for user, assistant in zip(message_iter, message_iter)
-    ]
-
-
-def _create_header():
-    return {
-        "accept": "text/event-stream",
-        "referer": "https://you.com/search?fromSearchBar=true&tbm=youchat",
-    }
\ No newline at end of file
+        cookies: dict = None,
+        **kwargs,
+    ) -> AsyncGenerator:
+        if not cookies:
+            cookies = get_cookies("you.com")
+        headers = {
+            "Accept": "text/event-stream",
+            "Referer": "https://you.com/search?fromSearchBar=true&tbm=youchat",
+            "User-Agent": "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/116.0"
+        }
+        async with ClientSession(headers=headers, cookies=cookies) as session:
+            async with session.get(
+                "https://you.com/api/streamingSearch",
+                params={"q": format_prompt(messages), "domain": "youchat", "chat": ""},
+            ) as response:  
+                start = 'data: {"youChatToken": '
+                async for line in response.content:
+                    line = line.decode('utf-8')
+                    if line.startswith(start):
+                        yield json.loads(line[len(start): -2])
\ No newline at end of file
diff --git a/g4f/Provider/Yqcloud.py b/g4f/Provider/Yqcloud.py
index 44173525..7c1d06ba 100644
--- a/g4f/Provider/Yqcloud.py
+++ b/g4f/Provider/Yqcloud.py
@@ -1,29 +1,27 @@
-import requests
+from aiohttp import ClientSession
 
-from ..typing       import Any, CreateResult
-from .base_provider import BaseProvider
+from .base_provider import AsyncProvider, format_prompt
 
 
-class Yqcloud(BaseProvider):
-    url                     = "https://chat9.yqcloud.top/"
-    working                 = True
-    supports_gpt_35_turbo   = True
+class Yqcloud(AsyncProvider):
+    url = "https://chat9.yqcloud.top/"
+    working = True
+    supports_gpt_35_turbo = True
 
     @staticmethod
-    def create_completion(
+    async def create_async(
         model: str,
         messages: list[dict[str, str]],
-        stream: bool, **kwargs: Any) -> CreateResult:
-        
-        headers = _create_header()
-        payload = _create_payload(messages)
-
-        response = requests.post("https://api.aichatos.cloud/api/generateStream", 
-                                 headers=headers, json=payload)
-        
-        response.raise_for_status()
-        response.encoding = 'utf-8'
-        yield response.text
+        proxy: str = None,
+        **kwargs,
+    ) -> str:
+        async with ClientSession(
+            headers=_create_header()
+        ) as session:
+            payload = _create_payload(messages)
+            async with session.post("https://api.aichatos.cloud/api/generateStream", proxy=proxy, json=payload) as response:
+                response.raise_for_status()
+                return await response.text()
 
 
 def _create_header():
@@ -35,15 +33,11 @@ def _create_header():
 
 
 def _create_payload(messages: list[dict[str, str]]):
-    prompt = ""
-    for message in messages:
-        prompt += "%s: %s\n" % (message["role"], message["content"])
-    prompt += "assistant:"
-    
     return {
-        "prompt"        : prompt,
-        "network"       : True,
-        "system"        : "",
+        "prompt": format_prompt(messages),
+        "network": True,
+        "system": "",
         "withoutContext": False,
-        "stream"        : False,
-    }
\ No newline at end of file
+        "stream": False,
+        "userId": "#/chat/1693025544336"
+    }
diff --git a/g4f/Provider/__init__.py b/g4f/Provider/__init__.py
index 61ae4dc4..06643665 100644
--- a/g4f/Provider/__init__.py
+++ b/g4f/Provider/__init__.py
@@ -13,11 +13,12 @@ from .EasyChat      import EasyChat
 from .Forefront     import Forefront
 from .GetGpt        import GetGpt
 from .H2o           import H2o
-from .Hugchat       import Hugchat
+from .HuggingChat   import HuggingChat
 from .Liaobots      import Liaobots
 from .Lockchat      import Lockchat
 from .Opchatgpts    import Opchatgpts
 from .OpenaiChat    import OpenaiChat
+from .OpenAssistant import OpenAssistant
 from .Raycast       import Raycast
 from .Theb          import Theb
 from .Vercel        import Vercel
@@ -48,12 +49,13 @@ __all__ = [
     'Forefront',
     'GetGpt',
     'H2o',
-    'Hugchat',
+    'HuggingChat',
     'Liaobots',
     'Lockchat',
     'Opchatgpts',
     'Raycast',
     'OpenaiChat',
+    'OpenAssistant',
     'Theb',
     'Vercel',
     'Wewordle',
diff --git a/g4f/Provider/base_provider.py b/g4f/Provider/base_provider.py
index d5f23931..def2cd6d 100644
--- a/g4f/Provider/base_provider.py
+++ b/g4f/Provider/base_provider.py
@@ -4,8 +4,7 @@ from ..typing import Any, CreateResult, AsyncGenerator, Union
 
 import browser_cookie3
 import asyncio
-from time import time
-import math
+
 
 class BaseProvider(ABC):
     url: str
@@ -48,6 +47,17 @@ def get_cookies(cookie_domain: str) -> dict:
     return _cookies[cookie_domain]
 
 
+def format_prompt(messages: list[dict[str, str]], add_special_tokens=False):
+    if add_special_tokens or len(messages) > 1:
+        formatted = "\n".join(
+            ["%s: %s" % ((message["role"]).capitalize(), message["content"]) for message in messages]
+        )
+        return f"{formatted}\nAssistant:"
+    else:
+        return messages.pop()["content"]
+
+
+
 class AsyncProvider(BaseProvider):
     @classmethod
     def create_completion(
@@ -72,20 +82,19 @@ class AsyncGeneratorProvider(AsyncProvider):
         cls,
         model: str,
         messages: list[dict[str, str]],
-        stream: bool = True, **kwargs: Any) -> CreateResult:
-        
-        if stream:
-            yield from run_generator(cls.create_async_generator(model, messages, **kwargs))
-        else:
-            yield from AsyncProvider.create_completion(cls=cls, model=model, messages=messages, **kwargs)
+        stream: bool = True,
+        **kwargs
+    ) -> CreateResult:
+        yield from run_generator(cls.create_async_generator(model, messages, stream=stream, **kwargs))
 
     @classmethod
     async def create_async(
         cls,
         model: str,
-        messages: list[dict[str, str]], **kwargs: Any) -> str:
-        
-        chunks = [chunk async for chunk in cls.create_async_generator(model, messages, **kwargs)]
+        messages: list[dict[str, str]],
+        **kwargs
+    ) -> str:
+        chunks = [chunk async for chunk in cls.create_async_generator(model, messages, stream=False, **kwargs)]
         if chunks:
             return "".join(chunks)
         
@@ -93,8 +102,9 @@ class AsyncGeneratorProvider(AsyncProvider):
     @abstractmethod
     def create_async_generator(
             model: str,
-            messages: list[dict[str, str]]) -> AsyncGenerator:
-        
+            messages: list[dict[str, str]],
+            **kwargs
+        ) -> AsyncGenerator:
         raise NotImplementedError()
 
 
diff --git a/g4f/models.py b/g4f/models.py
index e61ebbcd..7d94151b 100644
--- a/g4f/models.py
+++ b/g4f/models.py
@@ -7,6 +7,13 @@ class Model:
     base_provider: str
     best_provider: type[BaseProvider]
 
+# Config for HuggingChat, OpenAssistant
+# Works for Liaobots, H2o, OpenaiChat, Yqcloud, You
+default = Model(
+    name="",
+    base_provider="huggingface",
+    best_provider=H2o,
+)
 
 # GPT-3.5 / GPT-4
 gpt_35_turbo = Model(