Show friendly display names for free models (e.g. 'Qwen3 235B' instead of full API name)

app.py

@@ -52,17 +52,19 @@ def extract_text_from_pdfs(pdf_paths):
             print(f"Error extracting text from {pdf_path}: {e}")
     return all_texts
 
-# Free models (uses Space secrets - no user API key needed)
-FREE_MODEL_CHOICES = [
-    "Qwen/Qwen3-VL-235B-A22B-Instruct:novita",
-    "deepseek-ai/DeepSeek-V3.1:novita",
-    "meta-llama/Llama-3.3-70B-Instruct:groq",
-    "gemini-2.5-flash",
-    "gpt-4o-mini",
-    "mistral-medium-2505",
-    "claude-3-haiku-20240307",
-    "grok-4-fast-non-reasoning",
-]
+# Free models - display name -> actual API model name
+FREE_MODELS_MAP = {
+    "Qwen3 235B": "Qwen/Qwen3-VL-235B-A22B-Instruct:novita",
+    "DeepSeek V3.1": "deepseek-ai/DeepSeek-V3.1:novita",
+    "Llama 3.3 70B": "meta-llama/Llama-3.3-70B-Instruct:groq",
+    "Gemini 2.5 Flash": "gemini-2.5-flash",
+    "GPT-4o Mini": "gpt-4o-mini",
+    "Mistral Medium": "mistral-medium-2505",
+    "Claude 3 Haiku": "claude-3-haiku-20240307",
+    "Grok 4 Fast": "grok-4-fast-non-reasoning",
+}
+FREE_MODEL_DISPLAY_NAMES = list(FREE_MODELS_MAP.keys())
+FREE_MODEL_CHOICES = list(FREE_MODELS_MAP.values())  # Keep for backward compat
 
 # Paid models (user provides their own API key)
 PAID_MODEL_CHOICES = [
@@ -824,7 +826,8 @@ with col_input:
         )
 
         if model_tier == "Free Models":
-            model = st.selectbox("Model", options=FREE_MODEL_CHOICES, key="extract_model")
+            model_display = st.selectbox("Model", options=FREE_MODEL_DISPLAY_NAMES, key="extract_model")
+            model = FREE_MODELS_MAP[model_display]  # Convert to actual model name
             api_key = ""
             st.info("**Free tier** - no API key required!")
         else:
@@ -947,7 +950,8 @@ with col_input:
         )
 
         if model_tier == "Free Models":
-            model = st.selectbox("Model", options=FREE_MODEL_CHOICES, key="classify_model")
+            model_display = st.selectbox("Model", options=FREE_MODEL_DISPLAY_NAMES, key="classify_model")
+            model = FREE_MODELS_MAP[model_display]  # Convert to actual model name
             api_key = ""
             st.info("**Free tier** - no API key required!")
         else: