5 files changed, 141 insertions, 32 deletions

diff --git a/docs/providers-and-models.md b/docs/providers-and-models.md
index a3bd591d..1052db87 100644
--- a/docs/providers-and-models.md
+++ b/docs/providers-and-models.md
@@ -28,6 +28,7 @@
 |[chatgpt4online.org](https://chatgpt4online.org)|`g4f.Provider.Chatgpt4Online`|`gpt-4`|❌|❌|✔|![Active](https://img.shields.io/badge/Active-brightgreen)|❌|
 |[chatgpt4o.one](https://chatgpt4o.one)|`g4f.Provider.Chatgpt4o`|`gpt-4o-mini`|❌|❌|❌|![Active](https://img.shields.io/badge/Active-brightgreen)|❌|
 |[chatgptfree.ai](https://chatgptfree.ai)|`g4f.Provider.ChatgptFree`|`gpt-4o-mini`|❌|❌|?|![Cloudflare](https://img.shields.io/badge/Cloudflare-f48d37)|❌|
+|[app.chathub.gg](https://app.chathub.gg)|`g4f.Provider.ChatHub`|`llama-3.1-8b, mixtral-8x7b, gemma-2, sonar-online`|❌|❌|✔|![Active](https://img.shields.io/badge/Active-brightgreen)|❌|
 |[duckduckgo.com](https://duckduckgo.com/duckchat/v1/chat)|`g4f.Provider.DDG`|`gpt-4o-mini, claude-3-haiku, llama-3.1-70b, mixtral-8x7b`|❌|❌|✔|![Active](https://img.shields.io/badge/Active-brightgreen)|❌|
 |[deepinfra.com](https://deepinfra.com)|`g4f.Provider.DeepInfra`|✔|❌|❌|✔|![Unknown](https://img.shields.io/badge/Unknown-grey)|✔|
 |[deepinfra.com/chat](https://deepinfra.com/chat)|`g4f.Provider.DeepInfraChat`|`llama-3.1-405b, llama-3.1-70b, Llama-3.1-8B, mixtral-8x22b, mixtral-8x7b, wizardlm-2-8x22b, wizardlm-2-7b, qwen-2-72b, phi-3-medium-4k, gemma-2b-27b, minicpm-llama-3-v2.5, mistral-7b, lzlv_70b, openchat-3.6-8b, phind-codellama-34b-v2, dolphin-2.9.1-llama-3-70b`|❌|`minicpm-llama-3-v2.5`|❌|![Active](https://img.shields.io/badge/Active-brightgreen)|❌|
@@ -55,7 +56,7 @@
 |[chatgpt.com](https://chatgpt.com/)|`g4f.Provider.OpenaiChat`|`gpt-4o, gpt-4o-mini, gpt-4`|❌|✔||![Unknown](https://img.shields.io/badge/Unknown-grey)|✔|
 |[www.perplexity.ai)](https://www.perplexity.ai)|`g4f.Provider.PerplexityAi`|✔|❌|❌|?|![Disabled](https://img.shields.io/badge/Disabled-red)|❌|
 |[perplexity.ai](https://www.perplexity.ai)|`g4f.Provider.PerplexityApi`|✔|❌|❌|?|![Unknown](https://img.shields.io/badge/Unknown-grey)|✔|
-|[labs.perplexity.ai](https://labs.perplexity.ai)|`g4f.Provider.PerplexityLabs`|`llama-3.1-8b, llama-3.1-70b`|❌|❌|?|![Cloudflare](https://img.shields.io/badge/Cloudflare-f48d37)|❌|
+|[labs.perplexity.ai](https://labs.perplexity.ai)|`g4f.Provider.PerplexityLabs`|`sonar-online, sonar-chat, llama-3.1-8b, llama-3.1-70b`|❌|❌|?|![Cloudflare](https://img.shields.io/badge/Cloudflare-f48d37)|❌|
 |[pi.ai/talk](https://pi.ai/talk)|`g4f.Provider.Pi`|`pi`|❌|❌|?|![Unknown](https://img.shields.io/badge/Unknown-grey)|❌|
 |[]()|`g4f.Provider.Pizzagpt`|`gpt-4o-mini`|❌|❌|✔|![Active](https://img.shields.io/badge/Active-brightgreen)|❌|
 |[poe.com](https://poe.com)|`g4f.Provider.Poe`|✔|❌|❌|?|![Unknown](https://img.shields.io/badge/Unknown-grey)|✔|
diff --git a/g4f/Provider/ChatHub.py b/g4f/Provider/ChatHub.py
new file mode 100644
index 00000000..3b762687
--- /dev/null
+++ b/g4f/Provider/ChatHub.py
@@ -0,0 +1,84 @@
+from __future__ import annotations
+
+import json
+from aiohttp import ClientSession
+
+from ..typing import AsyncResult, Messages
+from .base_provider import AsyncGeneratorProvider, ProviderModelMixin
+from .helper import format_prompt
+
+class ChatHub(AsyncGeneratorProvider, ProviderModelMixin):
+    label = "ChatHub"
+    url = "https://app.chathub.gg"
+    api_endpoint = "https://app.chathub.gg/api/v3/chat/completions"
+    working = True
+    supports_stream = True
+    supports_system_message = True
+    supports_message_history = True
+    
+    default_model = 'meta/llama3.1-8b'
+    models = [
+        'meta/llama3.1-8b',
+        'mistral/mixtral-8x7b',
+        'google/gemma-2',
+        'perplexity/sonar-online',
+    ]
+    
+    model_aliases = {
+        "llama-3.1-8b": "meta/llama3.1-8b",
+        "mixtral-8x7b": "mistral/mixtral-8x7b",
+        "gemma-2": "google/gemma-2",
+        "sonar-online": "perplexity/sonar-online",
+    }
+
+    @classmethod
+    def get_model(cls, model: str) -> str:
+        if model in cls.models:
+            return model
+        elif model in cls.model_aliases:
+            return cls.model_aliases[model]
+        else:
+            return cls.default_model
+
+    @classmethod
+    async def create_async_generator(
+        cls,
+        model: str,
+        messages: Messages,
+        proxy: str = None,
+        **kwargs
+    ) -> AsyncResult:
+        model = cls.get_model(model)
+        
+        headers = {
+            'accept': '*/*',
+            'accept-language': 'en-US,en;q=0.9',
+            'content-type': 'application/json',
+            'origin': cls.url,
+            'referer': f"{cls.url}/chat/cloud-llama3.1-8b",
+            'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36',
+            'x-app-id': 'web'
+        }
+        
+        async with ClientSession(headers=headers) as session:
+            prompt = format_prompt(messages)
+            data = {
+                "model": model,
+                "messages": [{"role": "user", "content": prompt}],
+                "tools": []
+            }
+            
+            async with session.post(cls.api_endpoint, json=data, proxy=proxy) as response:
+                response.raise_for_status()
+                async for line in response.content:
+                    if line:
+                        decoded_line = line.decode('utf-8')
+                        if decoded_line.startswith('data:'):
+                            try:
+                                data = json.loads(decoded_line[5:])
+                                if data['type'] == 'text-delta':
+                                    yield data['textDelta']
+                                elif data['type'] == 'done':
+                                    break
+                            except json.JSONDecodeError:
+                                continue 
diff --git a/g4f/Provider/PerplexityLabs.py b/g4f/Provider/PerplexityLabs.py
index ecb51f9b..b776e96a 100644
--- a/g4f/Provider/PerplexityLabs.py
+++ b/g4f/Provider/PerplexityLabs.py
@@ -24,10 +24,10 @@ class PerplexityLabs(AsyncGeneratorProvider, ProviderModelMixin):
     ]
     
     model_aliases = {
-        "llama-3.1-8b": "llama-3.1-sonar-large-128k-online",
-        "llama-3.1-8b": "sonar-small-128k-online",
-        "llama-3.1-8b": "llama-3.1-sonar-large-128k-chat",
-        "llama-3.1-8b": "llama-3.1-sonar-small-128k-chat",
+        "sonar-online": "llama-3.1-sonar-large-128k-online",
+        "sonar-online": "sonar-small-128k-online",
+        "sonar-chat": "llama-3.1-sonar-large-128k-chat",
+        "sonar-chat": "llama-3.1-sonar-small-128k-chat",
         "llama-3.1-8b": "llama-3.1-8b-instruct",
         "llama-3.1-70b": "llama-3.1-70b-instruct",
     }
diff --git a/g4f/Provider/__init__.py b/g4f/Provider/__init__.py
index d088b5ee..532b6081 100644
--- a/g4f/Provider/__init__.py
+++ b/g4f/Provider/__init__.py
@@ -27,6 +27,7 @@ from .Chatgpt4Online   import Chatgpt4Online
 from .Chatgpt4o        import Chatgpt4o
 from .ChatGptEs        import ChatGptEs
 from .ChatgptFree      import ChatgptFree
+from .ChatHub          import ChatHub
 from .DDG              import DDG
 from .DeepInfra        import DeepInfra
 from .DeepInfraChat    import DeepInfraChat
diff --git a/g4f/models.py b/g4f/models.py
index bac83b5b..dcd3a525 100644
--- a/g4f/models.py
+++ b/g4f/models.py
@@ -16,6 +16,7 @@ from .Provider import (
     Chatgpt4Online,
     ChatGptEs,
     ChatgptFree,
+    ChatHub,
     DDG,
     DeepInfra,
     DeepInfraChat,
@@ -96,9 +97,7 @@ default = Model(
 gpt_3 = Model(
     name          = 'gpt-3',
     base_provider = 'OpenAI',
-    best_provider = IterListProvider([
-        Nexra,
-    ])
+    best_provider = Nexra
 )
 
 # gpt-3.5
@@ -167,7 +166,7 @@ meta = Model(
 llama_2_13b = Model(
     name          = "llama-2-13b",
     base_provider = "Meta Llama",
-    best_provider = IterListProvider([Airforce])
+    best_provider = Airforce
 )
 
 # llama 3
@@ -193,7 +192,7 @@ llama_3 = Model(
 llama_3_1_8b = Model(
     name          = "llama-3.1-8b",
     base_provider = "Meta Llama",
-    best_provider = IterListProvider([Blackbox, DeepInfraChat, Airforce, PerplexityLabs])
+    best_provider = IterListProvider([Blackbox, DeepInfraChat, ChatHub, Airforce, PerplexityLabs])
 )
 
 llama_3_1_70b = Model(
@@ -225,7 +224,7 @@ mistral_7b = Model(
 mixtral_8x7b = Model(
     name          = "mixtral-8x7b",
     base_provider = "Mistral",
-    best_provider = IterListProvider([DDG, ReplicateHome, DeepInfraChat, Airforce, DeepInfra])
+    best_provider = IterListProvider([DDG, ReplicateHome, DeepInfraChat, ChatHub, Airforce, DeepInfra])
 )
 
 mixtral_8x22b = Model(
@@ -245,7 +244,7 @@ mistral_nemo = Model(
 mixtral_8x7b_dpo = Model(
     name          = "mixtral-8x7b-dpo",
     base_provider = "NousResearch",
-    best_provider = IterListProvider([Airforce])
+    best_provider = Airforce
 )
 
 hermes_3 = Model(
@@ -259,7 +258,7 @@ hermes_3 = Model(
 phi_3_medium_4k = Model(
     name          = "phi-3-medium-4k",
     base_provider = "Microsoft",
-    best_provider = IterListProvider([DeepInfraChat])
+    best_provider = DeepInfraChat
 )
 
 phi_3_5_mini = Model(
@@ -295,7 +294,7 @@ gemini = Model(
 gemma_2b_9b = Model(
     name          = 'gemma-2b-9b',
     base_provider = 'Google',
-    best_provider = IterListProvider([Airforce])
+    best_provider = Airforce
 )
 
 gemma_2b_27b = Model(
@@ -313,37 +312,43 @@ gemma_2b = Model(
    ])
 )
 
+gemma_2 = Model(
+    name          = 'gemma-2',
+    base_provider = 'Google',
+    best_provider = ChatHub
+)
+
 
 ### Anthropic ###
 claude_2 = Model(
     name          = 'claude-2',
     base_provider = 'Anthropic',
-    best_provider = IterListProvider([You])
+    best_provider = You
 )
 
 claude_2_0 = Model(
     name          = 'claude-2.0',
     base_provider = 'Anthropic',
-    best_provider = IterListProvider([Liaobots])
+    best_provider = Liaobots
 )
 
 claude_2_1 = Model(
     name          = 'claude-2.1',
     base_provider = 'Anthropic',
-    best_provider = IterListProvider([Liaobots])
+    best_provider = Liaobots
 )
 
 # claude 3
 claude_3_opus = Model(
     name          = 'claude-3-opus',
     base_provider = 'Anthropic',
-    best_provider = IterListProvider([Liaobots])
+    best_provider = Liaobots
 )
 
 claude_3_sonnet = Model(
     name          = 'claude-3-sonnet',
     base_provider = 'Anthropic',
-    best_provider = IterListProvider([Liaobots])
+    best_provider = Liaobots
 )
 
 claude_3_haiku = Model(
@@ -390,7 +395,7 @@ reka_core = Model(
 blackbox = Model(
     name = 'blackbox',
     base_provider = 'Blackbox AI',
-    best_provider = IterListProvider([Blackbox])
+    best_provider = Blackbox
 )
 
 
@@ -406,7 +411,7 @@ dbrx_instruct = Model(
 command_r_plus = Model(
     name = 'command-r-plus',
     base_provider = 'CohereForAI',
-    best_provider = IterListProvider([HuggingChat])
+    best_provider = HuggingChat
 )
 
 
@@ -422,19 +427,19 @@ sparkdesk_v1_1 = Model(
 qwen_1_5_14b = Model(
     name = 'qwen-1.5-14b',
     base_provider = 'Qwen',
-    best_provider = IterListProvider([FreeChatgpt])
+    best_provider = FreeChatgpt
 )
 
 qwen_1_5_72b = Model(
     name = 'qwen-1.5-72b',
     base_provider = 'Qwen',
-    best_provider = IterListProvider([Airforce])
+    best_provider = Airforce
 )
 
 qwen_1_5_110b = Model(
     name = 'qwen-1.5-110b',
     base_provider = 'Qwen',
-    best_provider = IterListProvider([Airforce])
+    best_provider = Airforce
 )
 
 qwen_2_72b = Model(
@@ -446,7 +451,7 @@ qwen_2_72b = Model(
 qwen_turbo = Model(
     name = 'qwen-turbo',
     base_provider = 'Qwen',
-    best_provider = IterListProvider([Bixin123])
+    best_provider = Bixin123
 )
 
 qwen = Model(
@@ -462,13 +467,13 @@ qwen = Model(
 glm_3_6b = Model(
     name = 'glm-3-6b',
     base_provider = 'Zhipu AI',
-    best_provider = IterListProvider([FreeChatgpt])
+    best_provider = FreeChatgpt
 )
 
 glm_4_9b = Model(
     name = 'glm-4-9B',
     base_provider = 'Zhipu AI',
-    best_provider = IterListProvider([FreeChatgpt])
+    best_provider = FreeChatgpt
 )
 
 glm_4 = Model(
@@ -484,13 +489,13 @@ glm_4 = Model(
 yi_1_5_9b = Model(
     name = 'yi-1.5-9b',
     base_provider = '01-ai',
-    best_provider = IterListProvider([FreeChatgpt])
+    best_provider = FreeChatgpt
 )
 
 yi_34b = Model(
     name = 'yi-34b',
     base_provider = '01-ai',
-    best_provider = IterListProvider([Airforce])
+    best_provider = Airforce
 )
 
 
@@ -498,7 +503,7 @@ yi_34b = Model(
 solar_1_mini = Model(
     name = 'solar-1-mini',
     base_provider = 'Upstage',
-    best_provider = IterListProvider([Upstage])
+    best_provider = Upstage
 )
 
 solar_10_7b = Model(
@@ -525,14 +530,14 @@ pi = Model(
 deepseek = Model(
     name = 'deepseek',
     base_provider = 'DeepSeek',
-    best_provider = IterListProvider([Airforce])
+    best_provider = Airforce
 )
 
 ### WizardLM ###
 wizardlm_2_7b = Model(
     name = 'wizardlm-2-7b',
     base_provider = 'WizardLM',
-    best_provider = IterListProvider([DeepInfraChat])
+    best_provider = DeepInfraChat
 )
 
 wizardlm_2_8x22b = Model(
@@ -610,6 +615,19 @@ grok_2_mini = Model(
     best_provider = Liaobots
 )
 
+# Perplexity
+sonar_online = Model(
+    name = 'sonar-online',
+    base_provider = 'Perplexity',
+    best_provider = IterListProvider([ChatHub, PerplexityLabs])
+)
+
+sonar_chat = Model(
+    name = 'sonar-chat',
+    base_provider = 'Perplexity',
+    best_provider = PerplexityLabs
+)
+
 
 
 #############
@@ -817,6 +835,7 @@ class ModelUtils:
 'gemma-2b': gemma_2b,
 'gemma-2b-9b': gemma_2b_9b,
 'gemma-2b-27b': gemma_2b_27b,
+'gemma-2': gemma_2,
 
 
 ### Anthropic ###
@@ -928,6 +947,10 @@ class ModelUtils:
 'grok-2': grok_2,
 'grok-2-mini': grok_2_mini,
         
+### Perplexity ###
+'sonar-online': sonar_online,
+'sonar-chat': sonar_chat,
+        
         
         
 #############