Google DeepMind

Gemini 3.1 Flash Lite Preview

DeprecatedProprietary1M contextReasoning

Summary

Gemini 3.1 Flash Lite Preview is a proprietary language model from Google DeepMind, released on 3 Mar 2026. It accepts text, images, video, audio and PDFs and generates text, with a 1M-token context window and up to 66K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.25 per million input tokens and $1.50 per million output tokens (Databricks), across 2 providers we track. Google DeepMind has deprecated this model.

Legacy model retained for compatibility with older integrations

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperGoogle DeepMind
Release date3 Mar 2026 [models.dev]
StatusDeprecated [models.dev]
WeightsProprietary (API only) [models.dev]
Context window1M (1,048,576 tokens) [models.dev]
Max output66K tokens [models.dev]
Knowledge cutoffJan 2025 [models.dev]
InputText, images, video, audio and PDFs [models.dev]
OutputText [models.dev]
Reasoning modeYes [models.dev]
Tool callingYes [models.dev]
Structured outputYes [models.dev]

Gemini 3.1 Flash Lite Preview API pricing by provider

USD per million tokens. Sorted by input price.

ProviderInputOutputCached inputContextSource
Databricks
databricks-gemini-3-1-flash-lite
$0.25$1.50$0.031Mmodels.dev, 4 Oct 2026
OpenRouter
google/gemini-3.1-flash-lite-preview
$0.25$1.50$0.031MOpenRouter, 4 Oct 2026

Frequently asked questions

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

Gemini 3.1 Flash Lite Preview has a context window of 1,048,576 tokens (1M) and can generate up to 65,536 tokens in a single response, according to models.dev.

How much does the Gemini 3.1 Flash Lite Preview API cost?

Gemini 3.1 Flash Lite Preview is listed from $0.25 per million input tokens and $1.50 per million output tokens (Databricks). Prices last verified 4 Oct 2026.

Is Gemini 3.1 Flash Lite Preview open source?

No. Gemini 3.1 Flash Lite Preview is a proprietary model; Google DeepMind has not released its weights. It is available through APIs including Databricks, OpenRouter.

When was Gemini 3.1 Flash Lite Preview released?

Google DeepMind released Gemini 3.1 Flash Lite Preview on 3 Mar 2026, according to models.dev.

Which providers offer Gemini 3.1 Flash Lite Preview?

We track Gemini 3.1 Flash Lite Preview on 2 providers: Databricks, OpenRouter.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources