update model names

main.py

@@ -31,7 +31,7 @@ embeddings = HuggingFaceInferenceAPIEmbeddings(
 
 vector_store = SupabaseVectorStore(supabase, embeddings, query_name='match_documents', table_name="documents")
 
-models = ["meta-llama/Llama-2-7b-chat-hf", "mistralai/Mixtral-8x7B-Instruct-v0.1"]
+models = ["meta-llama/Llama-2-70b-chat-hf", "mistralai/Mixtral-8x7B-Instruct-v0.1"]
 
 if openai_api_key:
     models += ["gpt-3.5-turbo", "gpt-4"]
@@ -77,7 +77,7 @@ if st.session_state["authenticated"]:
 
     # Initialize session state variables
     if 'model' not in st.session_state:
-        st.session_state['model'] = "meta-llama/Llama-2-7b-chat-hf"
+        st.session_state['model'] = "meta-llama/Llama-2-70b-chat-hf"
     if 'temperature' not in st.session_state:
         st.session_state['temperature'] = 0.1
     if 'chunk_size' not in st.session_state: