refac

backend/open_webui/routers/openai.py

@@ -2,6 +2,7 @@ import asyncio
 import hashlib
 import json
 import logging
+import re
 from typing import Optional
 from urllib.parse import urlparse
 
@@ -739,8 +740,16 @@ def get_azure_allowed_params(api_version: str) -> set[str]:
     return allowed_params
 
 
-def is_openai_reasoning_model(model: str) -> bool:
-    return model.lower().startswith(('o1', 'o3', 'o4', 'gpt-5'))
+def is_openai_new_model(model: str) -> bool:
+    model_lower = model.lower()
+    # o-series models (o1, o3, o4, o5, ...)
+    if re.match(r'^o\d+', model_lower):
+        return True
+    # gpt-N where N >= 5 (gpt-5, gpt-5.2, gpt-6, ...)
+    m = re.match(r'^gpt-(\d+)', model_lower)
+    if m and int(m.group(1)) >= 5:
+        return True
+    return False
 
 
 def convert_to_azure_payload(url, payload: dict, api_version: str):
@@ -750,7 +759,7 @@ def convert_to_azure_payload(url, payload: dict, api_version: str):
     allowed_params = get_azure_allowed_params(api_version)
 
     # Special handling for o-series models
-    if is_openai_reasoning_model(model):
+    if is_openai_new_model(model):
         # Convert max_tokens to max_completion_tokens for o-series models
         if 'max_tokens' in payload:
             payload['max_completion_tokens'] = payload['max_tokens']
@@ -1040,7 +1049,7 @@ async def generate_chat_completion(
     key = request.app.state.config.OPENAI_API_KEYS[idx]
 
     # Check if model is a reasoning model that needs special handling
-    if is_openai_reasoning_model(payload['model']):
+    if is_openai_new_model(payload['model']):
         payload = openai_reasoning_model_handler(payload)
     elif 'api.openai.com' not in url:
         # Remove "max_completion_tokens" from the payload for backward compatibility