Gemini 3.1 Flash-Lite Free API on Google Gemini

Free API Verified

Available from Google Gemini

★★★★★★★★★★ 3.5 Benchmark-backed score

Low-latency Gemini model for high-volume multimodal and agent workloads

Free APIOpenAI compatibleReasoningTool callingJSON modePDF inputText

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API Details

Copy-ready connection details

Use these values in your client or SDK.

Base URL

https://generativelanguage.googleapis.com/v1beta

Model ID

gemini-3.1-flash-lite

API format Google Gemini native generateContent + OpenAI Chat Completions

Technical Details

Gemini 3.1 Flash-Lite specifications

Provider and model catalog

Context window 1.0M

Max output 65K

Status Online

Family gemini-flash-lite

Knowledge cutoff 2025-01

Released May 7, 2026

Last updated Aug 6, 2026

Free listing since Mar 3, 2026

Input text, image, video, audio, pdf

Output text

Capabilities reasoning, tool calling, structured output, file attachments, temperature control

AI Recommendation

Should you use Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite is listed for chat workloads and supports a 1.0M context window.

Use it when Google Gemini's free tier is enough for evaluation, demos, or light production traffic.

Best for

Chat

Strengths & Weaknesses

Strengths

Long context window
Reasoning mode listed
Tool calling support
Structured JSON output

Watch outs

Free-tier rate limits apply

Benchmark Overview

Benchmark signals for Gemini 3.1 Flash-Lite

Measured data

Intelligence General reasoning and instruction following

25/100

Coding Programming and code generation

34.7/100

Agentic Tool use and multi-step tasks

6.2/100

Speed Observed generation speed

312 tok/s

Context Maximum listed context window

1.0M

Pricing

Gemini 3.1 Flash-Lite pricing per 1M tokens

Free tier listed

Input $0.25 per 1M tokens

Output $1.5 per 1M tokens

Free access Available Google Gemini

Rate limit 30 RPM, 1,500 RPD provider policy

Availability

Gemini 3.1 Flash-Lite availability by provider

1 alternative

We found 2 provider listings for gemini-3-1-flash-lite. Check model ID, quota, pricing, and API format before switching providers.

Provider	Model listing	Access	Context	API	Limits
Google Gemini	Gemini 3.1 Flash-Lite	Free tier	1.0M	Native	30 RPM, 1,500 RPD
LLM7.io	Gemini 3.1 Flash Lite	Free tier	1.0M	Native	Varies

View Google Gemini setup guide →

Compare

Gemini 3.1 Flash-Lite alternatives to consider

Open comparison

Model	Provider	Context	Access
Gemini 3.1 Flash Lite	LLM7.io	1.0M	Free tier
Gemini 3.6 Flash	Google Gemini	1.0M	Free tier
Gemini 3.5 Flash	Google Gemini	1.0M	Free tier
Gemini 3.5 Flash-Lite	Google Gemini	1.0M	Free tier
Gemini 2.5 Flash	Google Gemini	1.0M	Free tier

Typical Use Cases

Gemini 3.1 Flash-Lite use cases

Chat

Gemini 3.1 Flash-Lite is tagged for chat in this catalog and works with OpenAI-compatible client libraries.

FAQ

Gemini 3.1 Flash-Lite free API FAQ

Is Gemini 3.1 Flash-Lite free to use?

Gemini 3.1 Flash-Lite is listed with free API access on Google Gemini, subject to the provider's quota and account policy.

What is the Gemini 3.1 Flash-Lite model ID?

The model ID shown in this catalog is gemini-3.1-flash-lite.

What are the Gemini 3.1 Flash-Lite free tier rate limits on Google Gemini?

The listed free tier limit is 30 RPM, 1,500 RPD. Limits can change per account tier, so confirm against the provider dashboard.

What context window does Gemini 3.1 Flash-Lite support?

The listed context window is 1.0M tokens with up to 65K output tokens.

More about Gemini 3.1 Flash-Lite