Update app.py

Add all free models available at openrouter

app.py

@@ -94,10 +94,13 @@ def respond(message, history, model, approach, system_message, max_tokens, tempe
 
 def create_model_dropdown():
     return gr.Dropdown(
-        [ "meta-llama/llama-3.1-8b-instruct:free", "nousresearch/hermes-3-llama-3.1-405b:free",
-          "mistralai/mistral-7b-instruct:free","mistralai/pixtral-12b:free",
-         "qwen/qwen-2-7b-instruct:free", "qwen/qwen-2-vl-7b-instruct:free", "google/gemma-2-9b-it:free", "google/gemini-flash-8b-1.5-exp",
-        "google/gemini-flash-1.5-exp", "google/gemini-pro-1.5-exp"],
+        [ "meta-llama/llama-3.1-8b-instruct:free", "nousresearch/hermes-3-llama-3.1-405b:free","meta-llama/llama-3.2-1b-instruct:free",
+          "mistralai/mistral-7b-instruct:free","mistralai/pixtral-12b:free","meta-llama/llama-3.1-70b-instruct:free",
+         "qwen/qwen-2-7b-instruct:free", "qwen/qwen-2-vl-7b-instruct:free", "google/gemma-2-9b-it:free", "google/gemini-flash-1.5-8b-exp",
+        "google/gemini-flash-1.5-exp", "google/gemini-pro-1.5-exp", "liquid/lfm-40b:free", "meta-llama/llama-3.1-405b-instruct:free",
+        "openchat/openchat-7b:free", "meta-llama/llama-3.2-90b-vision-instruct:free", "meta-llama/llama-3.2-11b-vision-instruct:free",
+        "meta-llama/llama-3-8b-instruct:free", "meta-llama/llama-3.2-3b-instruct:free", "microsoft/phi-3-medium-128k-instruct:free",
+        "microsoft/phi-3-mini-128k-instruct:free", "huggingfaceh4/zephyr-7b-beta:free"],
         value="meta-llama/llama-3.1-8b-instruct:free", label="Model"
     )