# Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite is a model from Google, released on 7 May 2026. The context window is 1,048,576 tokens. The maximum output is 65,536 tokens. Pricing is $0.50 (audio); $0.25 (text / image / video) per million input tokens and $1.50 per million output tokens.

- Developer: Google
- Id: gemini-3.1-flash-lite
- Released: 2026-05-07T00:00:00.000Z
- Sighting: 2026-09-22T02:43:17.450Z
  - [evidence link](https://models.dev/#gemini-3.1-flash-lite)
- Status: Released
- API availability: 2026-05-07
  - [evidence link](https://ai.google.dev/gemini-api/docs/changelog#05-07-2026)
- Public preview: 2026-03-03
  - [evidence link](https://deepmind.google/blog/gemini-3-1-flash-lite-built-for-intelligence-at-scale/)
- Canonical: https://alexgetman.com/models/google/gemini-3-1-flash-lite/

## Questions

### What is the context window of Gemini 3.1 Flash Lite?

The context window is 1,048,576 tokens. The maximum output is 65,536 tokens.

### How much does Gemini 3.1 Flash Lite cost?

Pricing is $0.50 (audio); $0.25 (text / image / video) per million input tokens and $1.50 per million output tokens. Cached input is $0.05 (audio); $0.025 (text / image / video) per million.

### When was Gemini 3.1 Flash Lite released?

On 7 May 2026.

- `gemini-3.1-flash-lite` · batch · Context caching price: $0.50 / million token hours · / 1,000,000 tokens per hour (storage price)
- `gemini-3.1-flash-lite` · flex · Context caching price: $0.50 / million token hours · / 1,000,000 tokens per hour (storage price)
- `gemini-3.1-flash-lite` · priority · Context caching price: $1.80 / million token hours · / 1,000,000 tokens per hour (storage price)
- `gemini-3.1-flash-lite` · standard · Context caching price: $1.00 / million token hours · / 1,000,000 tokens per hour (storage price)
## Evidence links

- [gemini-api-changelog](https://ai.google.dev/gemini-api/docs/changelog#05-07-2026)
- [review](https://aistudio.google.com/api-reference/models)
- [review](https://aistudio.google.com/docs/changelog)
- [gemini-model-index](https://aistudio.google.com/docs/models/gemini-3.1-flash-lite)
- [gemini-pricing](https://aistudio.google.com/docs/pricing)
- [Arena](https://arena.ai)
- [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models)
- [vertex-google-models](https://console.cloud.google.com/vertex-ai/publishers/google/model-garden/gemini-3.1-flash-lite)
- [google-articles](https://deepmind.google/blog/gemini-3-1-flash-lite-built-for-intelligence-at-scale/)
- [models.dev · catalogue](https://models.dev/#gemini-3-1-flash-lite)
- [models-dev](https://models.dev/#gemini-3.1-flash-lite)
- [OpenCode · discovery](https://opencode.ai/data/google/gemini-3-1-flash-lite)
- [Vercel AI Gateway](https://vercel.com/ai-gateway)

## Signals

- [Gemini 3.1 Flash Lite spotted on models.dev](https://alexgetman.com/signals/2026/09/19/gemini-3-1-flash-lite/)