switch to newr models

cfg.py

@@ -21,20 +21,20 @@ buster_cfg = BusterConfig(
         "top_k": 3,
         "thresh": 0.7,
         "max_tokens": 2000,
-        "embedding_model": "text-embedding-ada-002",
+        "embedding_model": "text-embedding-3-small",
     },
     documents_answerer_cfg={
         "no_documents_message": "No documents are available for this question.",
     },
     completion_cfg={
         "completion_kwargs": {
-            "model": "gpt-3.5-turbo",
+            "model": "gpt-4o-mini",
             "stream": True,
             "temperature": 0,
         },
     },
     tokenizer_cfg={
-        "model_name": "gpt-3.5-turbo",
+        "model_name": "gpt-4o-mini",
     },
     documents_formatter_cfg={
         "max_tokens": 3500,
@@ -71,19 +71,19 @@ buster_cfg = BusterConfig(
         "question_validator_cfg": {
             "invalid_question_response": "This question does not seem relevant to my current knowledge.",
             "completion_kwargs": {
-                "model": "gpt-3.5-turbo",
+                "model": "gpt-4o-mini",
                 "stream": False,
                 "temperature": 0,
             },
             "client_kwargs": client_kwargs,
             "check_question_prompt": """You are an chatbot answering questions about the Mila cluster, a compute cluster used by Mila students.
-    
+
 Your job is to determine wether or not a question is valid, and should be answered. The question is valid if it is related to cluster usage and anything related to AI.
 A user will submit a question. Respond 'true' if it is valid, respond 'false' if it is invalid.
 
 For example:
 
-Q: How can run jobs with many GPUs?
+Q: How can I run jobs with many GPUs?
 true
 
 Q: How can I install a library?
@@ -103,7 +103,7 @@ A user will submit a question. Respond 'true' if it is valid, respond 'false' if
         },
         "documents_validator_cfg": {
             "completion_kwargs": {
-                "model": "gpt-3.5-turbo",
+                "model": "gpt-4o-mini",
                 "stream": False,
                 "temperature": 0,
             },