How much does Gemini 3.1 Flash-Lite cost?

Gemini 3.1 Flash-Lite costs $0.25 per million input tokens and $1.50 per million output tokens on standard pricing; other tiers (Standard, Batch) are also available. A workload of 20M input and 5M output tokens a month is about $13.

What is the context length of Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite accepts up to 1,048,576 tokens (1M) of input and can return up to 65,536 tokens in one response.

Does Gemini 3.1 Flash-Lite support tool calling and structured outputs?

Yes, Gemini 3.1 Flash-Lite supports function/tool calling and structured (JSON) outputs. Supported tools: Function calling, Structured outputs, JSON mode, Reasoning, Deterministic seed, Prompt caching.

What inputs and outputs does Gemini 3.1 Flash-Lite support?

Gemini 3.1 Flash-Lite accepts Text, Image, Video, PDF, Audio as input and produces Text as output.

Gemini 3.1 Flash-Lite

Q: Which providers serve Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite is available from 8 API providers: Google, Google AI Studio, Google AI Studio, Google, Google, Google, Google, Google AI Studio. Prices can differ by provider.

gemini-3.1-flash-lite

API Provider site

A cost-efficient model, optimized for high-volume agentic tasks, translation, and simple data processing. Built by Google.

Prices updated recently

Input price

$0.25

per 1M tokens · Standard

Output price

$1.50

per 1M tokens · Standard

Input limit

tokens

Output limit

66K

tokens

Input formats

TextImageVideoAudioPDF

Output formats

TextImageVideoAudioPDF

Compare

Gemini 3.1 Flash-Lite price history

2 price records since 9/25/2026

Gemini 3.1 Flash-Lite cost calculator

Input20M tokens

Output5M tokens

$13/month

Standard pricing

Overview

What is Gemini 3.1 Flash-Lite?

Gemini 3.1 Flash-Lite is a text & reasoning and vision model from Google. A cost-efficient model, optimized for high-volume agentic tasks, translation, and simple data processing. Its 1M context window and $0.25 input price make it a candidate for cost-sensitive, high-throughput applications.

Image understandingDocument analysisContent workflowsClassification

Rates

Gemini 3.1 Flash-Lite pricing

Pricing is based on token usage. Provider-specific caching, batch, regional, and tool charges may affect the final cost.

Input · Standard

$0.25

Per 1M tokens

Cached input · Standard

$0.03

Per 1M tokens

Capabilities

Gemini 3.1 Flash-Lite Tools

Tools available when using Gemini 3.1 Flash-Lite through supported provider APIs.

Function calling

Supported

Structured outputs

Supported

JSON mode

Supported

Reasoning

Supported

Built-in web search

Not supported

Log probabilities

Not supported

Deterministic seed

Supported

Parallel tool calls

Not supported

Prompt caching

Supported

Where to run it

Gemini 3.1 Flash-Lite API providers

8 providers serve Gemini 3.1 Flash-Lite. Prices are per 1M tokens; uptime is the last 24 hours.

Provider	Input	Output	Cached	Context	Uptime
Google	$0.13	$0.75	$0.01	1M	100%
Google AI Studio	$0.13	$0.75	$0.01	1M	99.98%
Google AI Studio	$0.25	$1.50	$0.03	1M	99.85%
Google	$0.25	$1.50	$0.03	1M	99.9%
Google	$0.28	$1.65	$0.03	1M	100%
Google	$0.28	$1.65	$0.03	1M	99.99%
Google	$0.45	$2.70	$0.04	1M	100%
Google AI Studio	$0.45	$2.70	$0.04	1M	99.86%

Google

Input: $0.13
Output: $0.75
Cached: $0.01
Context: 1M
Uptime: 100%

Google AI Studio

Input: $0.13
Output: $0.75
Cached: $0.01
Context: 1M
Uptime: 99.98%

Google AI Studio

Input: $0.25
Output: $1.50
Cached: $0.03
Context: 1M
Uptime: 99.85%

Google

Input: $0.25
Output: $1.50
Cached: $0.03
Context: 1M
Uptime: 99.9%

Google

Input: $0.28
Output: $1.65
Cached: $0.03
Context: 1M
Uptime: 100%

Google

Input: $0.28
Output: $1.65
Cached: $0.03
Context: 1M
Uptime: 99.99%

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Strengths and limitations

Strengths

Low input cost at $0.25 per million tokens suits high-volume workloads.
1M context supports large documents, repositories and extended conversations.
Supports text & reasoning and vision workloads in one model.

Limitations

Generated tokens cost 6× more than input tokens, which matters for verbose responses.
Large context capacity does not guarantee consistent retrieval across the entire prompt.
Arena Elo and MMLU-Pro are directional; test accuracy, latency and reliability on your own workload before committing.

Arena Elo, MMLU-Pro and pricing figures are illustrative; validate current vendor terms before purchase.

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Frequently asked questions about Gemini 3.1 Flash-Lite

Gemini 3.1 Flash-Lite is a text & reasoning and vision model from Google. A cost-efficient model, optimized for high-volume agentic tasks, translation, and simple data processing.