Gemini 3.1 Flash Lite – Model Docs — Person.run

Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite outperforms 2.5 Flash Lite on overall quality and lands close to 2.5 Flash performance across key capability areas. It is a workhorse model for high-volume use cases, with improvements across audio input/ASR, RAG snippet ranking, translation, data extraction, and code completion.

Model overview

Model ID: google/gemini-3.1-flash-lite
Provider: google
Type: language
Context window: 1,000,000 tokens
Max output tokens: 65,000

Tags: reasoning, tool-use, implicit-caching, file-input, vision, web-search

Model pricing

Metric	Value
`Input tokens (/1M)`	`$0.25`
`Output tokens (/1M)`	`$1.50`
`Image generation`	`n/a`
`Cached input read (/1M)`	`$0.03`
`Cached input write (/1M)`	`n/a`
`Pricing source`	`gateway`

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