Skip to content
Dashboard

Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite is the GA release of the efficiency tier in the Gemini 3.1 generation, with improvements in reasoning, multimodal understanding, agentic tool use, and long-context performance over 2.5 Flash Lite, plus four configurable thinking levels and a context window of 1M tokens.

ReasoningTool UseImplicit CachingFile InputVision (Image)Web Search
index.ts
import { streamText } from 'ai'
const result = streamText({
model: 'google/gemini-3.1-flash-lite',
prompt: 'Why is the sky blue?'
})

Providers

Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.

Provider
Context
Max Output
Latency
Throughput
Input
Output
Cache
Web Search
Capabilities
ZDR
No Training
Regional Inference
Release Date
Google
Legal:Terms
Privacy
1M65K
0.6s
297tps
$0.25/M
$1.50/M
Read:$0.03/M
Write:
$14/K
+ input costs
+3
05/07/2026
Google Vertex AI
Legal:Terms
Privacy
1M65K
1.0s
178tps
$0.25/M
$1.50/M
Read:$0.03/M
Write:
$14/K
+ input costs
+3
US
EU
05/07/2026