Update app.py

app.py

@@ -22,16 +22,16 @@ genai.configure(api_key=GEMINI_API_KEY)
 
 # Define model names - using latest models
 CLASSIFICATION_MODEL = "gemini-1.5-flash"  # For classification
-SOLUTION_MODEL = "gemini-1.5-pro-latest"  # For solution generation
-EXPLANATION_MODEL = "gemini-1.5-pro-latest"  # For explanation generation
-SIMILAR_MODEL = "gemini-1.5-pro-latest"  # For similar problems generation
+SOLUTION_MODEL = "gemini-2.5-pro-preview-03-25"  # For solution generation
+EXPLANATION_MODEL = "gemini-2.5-pro-preview-03-25"  # For explanation generation
+SIMILAR_MODEL = "gemini-2.5-pro-preview-03-25"  # For similar problems generation
 
 print(f"Using models: Classification: {CLASSIFICATION_MODEL}, Solution: {SOLUTION_MODEL}, Explanation: {EXPLANATION_MODEL}, Similar: {SIMILAR_MODEL}")
 
 # Set up Gemini for image analysis
 MODEL_IMAGE = "gemini-1.5-pro-latest"  # Use Gemini for OCR as well
 
-# Set Tesseract path - Mac with Homebrew default
+# Set Tesseract path
 pytesseract.pytesseract.tesseract_cmd = '/opt/homebrew/bin/tesseract'
 
 # Extract text using Gemini directly (with Tesseract as fallback)