add reka core model (vision)

README.md

@@ -304,8 +304,11 @@ While we wait for gpt-5, here is a list of new models that are at least better t
 | ------  | -------  |  ------ |  ------ | 
 | [mixtral-8x22b](https://huggingface.co/mistral-community/Mixtral-8x22B-v0.1) | `g4f.Provider.DeepInfra` | 176B / 44b active | gpt-3.5-turbo |
 | [dbrx-instruct](https://www.databricks.com/blog/introducing-dbrx-new-state-art-open-llm) | `g4f.Provider.DeepInfra` | 132B / 36B active| gpt-3.5-turbo |
-| [command-r+](https://txt.cohere.com/command-r-plus-microsoft-azure/) | `g4f.Provider.HuggingChat` | 104B | gpt-4-0613 |
+| [command-r+](https://txt.cohere.com/command-r-plus-microsoft-azure/) | `g4f.Provider.HuggingChat` | 104B | gpt-4-0314 |
-
+| [reka-core](https://chat.reka.ai/) | `g4f.Provider.Reka` | 104B | gpt-4-vision |
+| [claude-3-opus](https://anthropic.com/) | `g4f.Provider.You` | ?B | gpt-4-0125-preview |
+| [claude-3-sonnet](https://anthropic.com/) | `g4f.Provider.You` | ?B | gpt-4-0314 |
+| [llama-3-70b](https://meta.ai/) | `g4f.Provider.Llama` or `DeepInfra` | ?B | gpt-4-0314 |
 
 ### GPT-3.5
 

etc/examples/image_chat_reka.py

@@ -0,0 +1,27 @@
+# Image Chat with Reca
+# !! YOU NEED COOKIES / BE LOGGED IN TO chat.reka.ai
+# download an image and save it as test.png in the same folder
+
+from g4f.client import Client
+from g4f.Provider import Reka
+
+client = Client(
+    provider = Reka # Optional if you set model name to reka-core
+)
+
+completion = client.chat.completions.create(
+    model = "reka-core",
+    messages = [
+        {
+            "role": "user",
+            "content": "What can you see in the image ?"
+        }
+    ],
+    stream = True,
+    image = open("test.png", "rb") # open("path", "rb"), do not use .read(), etc. it must be a file object
+)
+
+for message in completion:
+    print(message.choices[0].delta.content or "")
+    
+    # >>> In the image there is ...

g4f/Provider/Reka.py

@@ -0,0 +1,148 @@
+from __future__     import annotations
+
+import os, requests, time, json
+from ..typing       import CreateResult, Messages, ImageType
+from .base_provider import AbstractProvider
+from ..cookies      import get_cookies
+
+class Reka(AbstractProvider):
+    url             = "https://chat.reka.ai/"
+    working         = True
+    supports_stream = True
+    cookies         = {}
+
+    @classmethod
+    def create_completion(
+        cls,
+        model: str,
+        messages: Messages,
+        stream: bool,
+        proxy: str = None,
+        timeout: int = 180,
+        bearer_auth: str = None,
+        image: ImageType = None, **kwargs) -> CreateResult:
+        
+        cls.proxy = proxy
+        
+        if not bearer_auth:
+            cls.cookies     = get_cookies("chat.reka.ai")
+            
+            if not cls.cookies:
+                raise ValueError("No cookies found for chat.reka.ai")
+            
+            elif "appSession" not in cls.cookies:
+                raise ValueError("No appSession found in cookies for chat.reka.ai, log in or provide bearer_auth")
+        
+            bearer_auth = cls.get_access_token(cls)
+            
+        conversation = []
+        for message in messages:
+            conversation.append({
+                "type": "human",
+                "text": message["content"],
+            })
+        
+        if image:
+            image_url = cls.upload_image(cls, bearer_auth, image)
+            conversation[-1]["image_url"] = image_url
+            conversation[-1]["media_type"] = "image"
+        
+        headers = {
+            'accept': '*/*',
+            'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3',
+            'authorization': f'Bearer {bearer_auth}',
+            'cache-control': 'no-cache',
+            'content-type': 'application/json',
+            'origin': 'https://chat.reka.ai',
+            'pragma': 'no-cache',
+            'priority': 'u=1, i',
+            'sec-ch-ua': '"Chromium";v="124", "Google Chrome";v="124", "Not-A.Brand";v="99"',
+            'sec-ch-ua-mobile': '?0',
+            'sec-ch-ua-platform': '"macOS"',
+            'sec-fetch-dest': 'empty',
+            'sec-fetch-mode': 'cors',
+            'sec-fetch-site': 'same-origin',
+            'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36',
+        }
+        
+        json_data = {
+            'conversation_history': conversation,
+            'stream': True,
+            'use_search_engine': False,
+            'use_code_interpreter': False,
+            'model_name': 'reka-core',
+            'random_seed': int(time.time() * 1000),
+        }
+        
+        tokens = ''
+
+        response = requests.post('https://chat.reka.ai/api/chat', 
+                                cookies=cls.cookies, headers=headers, json=json_data, proxies=cls.proxy, stream=True)
+
+        for completion in response.iter_lines():
+            if b'data' in completion:
+                token_data = json.loads(completion.decode('utf-8')[5:])['text']
+                
+                yield (token_data.replace(tokens, ''))
+                
+                tokens = token_data
+    
+    def upload_image(cls, access_token, image: ImageType) -> str:
+        boundary_token = os.urandom(8).hex()
+
+        headers = {
+            'accept': '*/*',
+            'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3',
+            'cache-control': 'no-cache',
+            'authorization': f'Bearer {access_token}',
+            'content-type': f'multipart/form-data; boundary=----WebKitFormBoundary{boundary_token}',
+            'origin': 'https://chat.reka.ai',
+            'pragma': 'no-cache',
+            'priority': 'u=1, i',
+            'referer': 'https://chat.reka.ai/chat/hPReZExtDOPvUfF8vCPC',
+            'sec-ch-ua': '"Chromium";v="124", "Google Chrome";v="124", "Not-A.Brand";v="99"',
+            'sec-ch-ua-mobile': '?0',
+            'sec-ch-ua-platform': '"macOS"',
+            'sec-fetch-dest': 'empty',
+            'sec-fetch-mode': 'cors',
+            'sec-fetch-site': 'same-origin',
+            'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36',
+        }
+
+        image_data = image.read()
+
+        boundary = f'----WebKitFormBoundary{boundary_token}'
+        data = f'--{boundary}\r\nContent-Disposition: form-data; name="image"; filename="image.png"\r\nContent-Type: image/png\r\n\r\n'
+        data += image_data.decode('latin-1')
+        data += f'\r\n--{boundary}--\r\n'
+
+        response = requests.post('https://chat.reka.ai/api/upload-image', 
+                                    cookies=Reka.cookies, headers=headers, proxies=cls.proxy, data=data.encode('latin-1'))
+
+        return response.json()['media_url']
+    
+    def get_access_token(cls):
+        headers = {
+            'accept': '*/*',
+            'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3',
+            'cache-control': 'no-cache',
+            'pragma': 'no-cache',
+            'priority': 'u=1, i',
+            'referer': 'https://chat.reka.ai/chat',
+            'sec-ch-ua': '"Chromium";v="124", "Google Chrome";v="124", "Not-A.Brand";v="99"',
+            'sec-ch-ua-mobile': '?0',
+            'sec-ch-ua-platform': '"macOS"',
+            'sec-fetch-dest': 'empty',
+            'sec-fetch-mode': 'cors',
+            'sec-fetch-site': 'same-origin',
+            'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36',
+        }
+
+        try:
+            response = requests.get('https://chat.reka.ai/bff/auth/access_token', 
+                                    cookies=cls.cookies, headers=headers)
+            
+            return response.json()['accessToken']
+        
+        except Exception as e:
+            raise ValueError(f"Failed to get access token: {e}, refresh your cookies / log in into chat.reka.ai")

g4f/Provider/__init__.py

@@ -50,6 +50,7 @@ from .ReplicateImage   import ReplicateImage
 from .Vercel           import Vercel
 from .WhiteRabbitNeo   import WhiteRabbitNeo
 from .You              import You
+from .Reka             import Reka
 
 import sys
 

g4f/models.py

@@ -29,6 +29,7 @@ from .Provider import (
     Pi,
     Vercel,
     You,
+    Reka
 )
 
 
@@ -306,6 +307,12 @@ blackbox = Model(
     best_provider = Blackbox
 )
 
+reka_core = Model(
+    name = 'reka-core',
+    base_provider = 'Reka AI',
+    best_provider = Reka
+)
+
 class ModelUtils:
     """
     Utility class for mapping string identifiers to Model instances.
@@ -333,8 +340,12 @@ class ModelUtils:
         'llama2-7b' : llama2_7b,
         'llama2-13b': llama2_13b,
         'llama2-70b': llama2_70b,
+        
+        'llama3-8b' : llama3_8b_instruct, # alias
+        'llama3-70b': llama3_70b_instruct, # alias
         'llama3-8b-instruct' : llama3_8b_instruct,
         'llama3-70b-instruct': llama3_70b_instruct,
+        
         'codellama-34b-instruct': codellama_34b_instruct,
         'codellama-70b-instruct': codellama_70b_instruct,
 
@@ -359,6 +370,11 @@ class ModelUtils:
         'claude-3-opus': claude_3_opus,
         'claude-3-sonnet': claude_3_sonnet,
         
+        # reka core
+        'reka-core': reka_core,
+        'reka': reka_core,
+        'Reka Core': reka_core,
+        
         # other
         'blackbox': blackbox,
         'command-r+': command_r_plus,