Gemini 3.1 Flash-Lite

Google - gemini-3.1-flash-lite

8.6/10

Provisional 0 practitioner reviews Source verified

Data source: This model page uses public provider documentation, pricing/context data, benchmark signals where available, and manual curation. Practitioner reviews are listed separately below and do not change the score until approved.

Context window

1,048,576 tokens

Input price

$0.25/1M

Output price

$1.5/1M

Checked

May 16, 2026

Pricing caveat: Standard paid-tier text/image/video pricing; batch and flex are lower.

Decision Notes

Best for

  • - High-volume classification, translation, extraction, and lightweight support agents
  • - RAG workflows where long context matters more than frontier reasoning depth
  • - Cost-sensitive multimodal apps that still need tool calling and structured output

Avoid when

  • - Deep reasoning or high-risk decisions that need a frontier model
  • - Complex coding agents with many brittle tool decisions

Cost example

1M input tokens plus 200K output tokens costs about $0.55 at standard text pricing.

Dimension Breakdown

Tool Calling 7/10

Reliability of function/tool calling — correct schema adherence and parameter extraction

Cost Efficiency 9/10

Price per token relative to output quality for agent tasks

Latency 9/10

Response time — time to first token and total generation time under load

API Reliability 8/10

Uptime, rate limit headroom, and error rates in production

Context Quality 10/10

Long-context coherence and instruction following over turns

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Top Use Cases

Customer Service RAG General

Summary

A cost-efficient Gemini 3.1 option for high-volume, low-latency agent workloads. It is a practical baseline before paying for a frontier model.

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Last updated: May 16, 2026