Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases. It outperforms Gemini 2.5 Flash Lite on overall quality and approaches Gemini 2.5 Flash performance
Pricing
Model Overview
Tracked token-pricing fields for this model family. Empty pricing fields stay hidden until the source publishes them.
| Price field | Value |
|---|---|
| Input | $0.25 / 1M tokens |
| Output | $1.50 / 1M tokens |
| Cached read | $0.03 / 1M tokens |
| Source | OpenRouter |
| Verified | Apr 5, 2026 (High) |
Surface
Capabilities
Input and output modalities, enabled feature flags, strengths, and tradeoffs.
| Attribute | Values |
|---|---|
| Modalities | textimagevideofileaudio totext |
| Capabilities | reasoningaudioInputimageInputpromptCachingfunctionCallingstructuredOutputs |
References
Official Links
Canonical launch, documentation, pricing, and release-note URLs.
| Reference | URL |
|---|---|
| Intro | https://openrouter.ai/google/gemini-3.1-flash-lite-preview |
| Docs | https://openrouter.ai/google/gemini-3.1-flash-lite-preview |
| Pricing | Verify current pricing on provider’s page → |
Coverage
Benchmark Coverage
Reported benchmark families, versions, scores, sources, and notes.
| Benchmark | Version | Score | Date | Source | Notes |
|---|
Lifecycle
Release History
Lifecycle transitions and release timeline for this model family.
| Release | Alias | Lifecycle | Release Date | Deprecation | Shutdown | Summary |
|---|---|---|---|---|---|---|
| Gemini 3.1 Flash Lite Preview | google-gemini-3-1-flash-lite-preview | Preview | Mar 3, 2026 | — | — | Model available via OpenRouter. |
Surfaces
Host Coverage
Provider-specific hosting, context, pricing notes, feature differences, and provider-status context.
| Host | Type | Context | Pricing Note | Differences |
|---|---|---|---|---|
| OpenRouter | aggregator | 1.0M | $0.25/1M in · $1.50/1M out via OpenRouter | — |
Migration
Migration Guidance
Documented migration summary, successor families, and known breaking changes.
| Topic | Details |
|---|---|
| Summary |
Timeline
Change Events
Cataloged model-family updates and source references.
| Date | Type | Title | Description | Source |
|---|---|---|---|---|
| Mar 3, 2026 | family_added | Gemini 3.1 Flash Lite Preview published | Model made available via OpenRouter. | OpenRouter |
From Google Gemini
Other models from Google Gemini
Gemini 1.5 FlashGemini 1.5 ProGemini 2.0 FlashGemini 2.0 FlashGemini 2.0 Flash LiteGemini 2.5 FlashGemini 2.5 Flash Lite Preview 09-2025Gemini 2.5 Flash-LiteGemini 2.5 ProGemini 2.5 Pro Preview 05-06Gemini 2.5 Pro Preview 06-05Gemini 3 Flash PreviewGemini 3.1 Pro PreviewGemini 3.1 Pro Preview Custom ToolsGemma 2 27BGemma 2 9BGemma 3 12BGemma 3 12BGemma 3 27BGemma 3 27BGemma 3 4BGemma 3 4BGemma 3n 2BGemma 3n 4BGemma 3n 4BGemma 4 26B A4BGemma 4 31BLyria 3 Clip PreviewLyria 3 Pro PreviewNano Banana (Gemini 2.5 Flash Image)Nano Banana 2 (Gemini 3.1 Flash Image Preview)Nano Banana Pro (Gemini 3 Pro Image Preview)