Update app.py

app.py

@@ -154,10 +154,9 @@ async def generate_hashtags(request: EventHashtagRequest):
 
         client = InferenceClient(token=token)
         models_to_try = [
-            "Viet-Mistral/Vistral-7B-Chat",              # Best balance
-            "vilm-ai/VinaLLaMA-7B-chat",                 # Great for culture
-            "ViettelAI/Llama3-ViettelSolution-8B",       # Strong performer
-            "allbyai/ToRoLaMa-7b-v1.0",                  # Alternative
+            "mistralai/Mistral-7B-Instruct-v0.3",
+            "microsoft/Phi-3-mini-4k-instruct",
+            "meta-llama/Meta-Llama-3-8B-Instruct"
         ]
 
         llm_response = ""