- Create an API key: Gemini ↗
- Open settings → Gemini → API key.
- Choose a model: gemini-3.1-flash-lite · gemini-3.5-flash-lite · gemini-3.5-flash · gemini-3.8-flash
- Save settings. Ask from text (OCR) / Ask from image / diagram.
Free-tier limits vary by model and project; check AI Studio.
Keep your key private. Check current limits in your provider account.
Provider charges and quotas are separate from LuciQA.
Gemini · Official source ↗