Gemini 3.1 Flash-Lite (GA)
Gemini 3.1 Flash-Lite (GA) is generally available on the Gemini API, AI Studio, and Vertex AI as of May 8, 2026. It is the fastest and most cost-efficient model in the Gemini 3 family, designed for low-latency code completion, real-time UX, and agentic developer tools, matching Gemini 2.5 Flash quality at a significantly lower cost.