gemini-3.1-flash-lite-preview

deprecatedproprietary

Our most cost-efficient multimodal model, offering the fastest performance for high-frequency, lightweight tasks. Gemini 3.1 Flash-Lite is best for high-volume agentic tasks, simple data extraction, and extremely low-latency applications where budget and speed are the primary constraints. · Succeeded by gemini-3.1-flash-lite

Context
1.0M
Max output
66K
Input price
$0.25/1M tokens
Output price
$1.5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode
Infrastructure
Streaming
Batch Processing

Details

Provider Google AI
Creator google
Familygemini-3.1
Licenseproprietary
Statusdeprecated
Typechat
Input modalitiestext, image, video, audio
Output modalitiestext, image, audio
Open weightNo
Parameters—
Architecture—
Context window1.0M tokens
Max input—
Max output66K tokens
Reasoning tokens—
Knowledge cutoff
Release date—
Deprecation date
Successorgemini-3.1-flash-lite
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Endpoints

Generate ContentPOST
Generate text from multimodal inputhttps://generativelanguage.googleapis.com/v1beta/v1beta/models/{model}:generateContent
Stream ContentPOST
Stream text generation responseshttps://generativelanguage.googleapis.com/v1beta/v1beta/models/{model}:streamGenerateContent

Pricing

Text tokensPer 1M tokens
InputCached inputOutput
Standard$0.25$0.025$1.5
Batch$0.125—$0.75

Family Comparison: gemini-3.1

ModelContextMax outPricing
gemini-3.1-flash-lite-image66K4K$0.25$1.5
gemini-3.1-flash-lite-preview1.0M66K$0.25$1.5
gemini-3.1-flash-lite1.0M66K$0.25$1.5
gemini-3.1-flash-image-preview131K33K$0.5$3
gemini-3.1-flash-image131K33K$0.5$3
gemini-3.1-flash-live-preview131K66K$0.75$4.5
gemini-3.1-flash-tts-preview8K16K$1$20
gemini-3.1-pro-preview1.0M66K$2$12

API

GET/v1/models/google/gemini-3.1-flash-lite-preview