Update app.py

app.py

@@ -22,6 +22,11 @@ if provider == "custom":
 models = [
     "meta-llama/Llama-3.1-8B-Instruct",
     "deepseek-ai/DeepSeek-R1",
+    "NousResearch/Llama-2-70b-hf",
+    "meta-llama/Llama-2-70b-chat-hf",
+    "google/gemma-2-27b-it",
+    "google/gemma-2-9b-it",
+    "google/gemma-2-2b-it",
     "xai-org/grok-1",
     "amazon/MistralLite",
     "mistralai/Mixtral-8x7B-Instruct-v0.1",