Default to gpt-4o-mini as online chat model

src/khoj/processor/conversation/openai/gpt.py

@@ -23,7 +23,7 @@ logger = logging.getLogger(__name__)
 
 def extract_questions(
     text,
-    model: Optional[str] = "gpt-4-turbo-preview",
+    model: Optional[str] = "gpt-4o-mini",
     conversation_log={},
     api_key=None,
     api_base_url=None,
@@ -43,7 +43,7 @@ def extract_questions(
         [
             f'Q: {chat["intent"]["query"]}\nKhoj: {{"queries": {chat["intent"].get("inferred-queries") or list([chat["intent"]["query"]])}}}\nA: {chat["message"]}\n\n'
             for chat in conversation_log.get("chat", [])[-4:]
-            if chat["by"] == "khoj" and "text-to-image" not in chat["intent"].get("type")
+            if chat["by"] == "khoj" and "to-image" not in chat["intent"].get("type")
         ]
     )
 

src/khoj/utils/constants.py

@@ -9,7 +9,7 @@ app_env_filepath = "~/.khoj/env"
 telemetry_server = "https://khoj.beta.haletic.com/v1/telemetry"
 content_directory = "~/.khoj/content/"
 default_offline_chat_model = "bartowski/Meta-Llama-3.1-8B-Instruct-GGUF"
-default_online_chat_model = "gpt-4-turbo-preview"
+default_online_chat_model = "gpt-4o-mini"
 
 empty_config = {
     "search-type": {