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Gemini 2.5 Flash Lite

Gemini 2.5 Flash Lite is the fastest and most affordable model in the Gemini 2.5 family, with configurable thinking, a context window of 1.0M tokens, and benchmark improvements over 2.0 Flash-Lite across coding, math, and science, at a price designed for high-throughput agentic pipelines.

File InputReasoningTool UseVision (Image)Web SearchImplicit Caching
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'google/gemini-2.5-flash-lite',
prompt: 'Why is the sky blue?'
})