Gemini 3.1 Flash-Lite Preview
RetiredA Google model with a 1M-token context window, image input and tool calling. Released on the Gemini API March 3, 2026, now retired.
Access details: Gemini API
The model ID to use in API requests.
gemini-3.1-flash-lite-previewUpdated Sep 23, 2026
Capabilities & limits
- Context window
- 1M
- Maximum output
- 64K
- Image input
- Supported
- Tool calling
- Supported
- Structured output
- Supported
Pricing
USD / 1M tokens- Input
- No longer sold
- Output
- No longer sold
No longer sold on the Gemini API.
Price history
May 25, 2026
Input No longer sold per million tokens
May 25, 2026
Output No longer sold per million tokens
Technical details
- Parameters
- Not published
- Active parameters
- Not published
- Architecture
- Based on Gemini 3 Pro, a sparse mixture-of-experts (MoE) transformer with native multimodal support
- Training / knowledge cutoff
- January 2025
- Input modalities
- Text, image, video, audio, PDF
- Output modalities
- Text
From Google
Official announcement ↗Release & lifecycle
- First available
- Mar 3, 2026
- retired
- May 25, 2026