Models/Google/Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite

Name: Gemini 3.1 Flash Lite API access
Brand: Google

Google · Proprietary · Released May 7, 2026 · google/gemini-3.1-flash-lite

Best $0.25 in / $1.50 out via Google

Compare Estimate cost

1.05M contextVisionToolsReasoningStructured outputPrompt cachingAudio input

Available from 10 providersUSD / MTOK · PRICES 23 MINUTES AGO · SPEED 8 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
Googlegoogle-vertex/global/flexFLEX1ST PARTY	$0.125	$0.75	$0.013	1.05M	—	0.61s°	192° tok/s	99.6%
Google AI Studiogoogle-ai-studio/flexFLEX	$0.125	$0.75	$0.013	1.05M	—	0.63s°	278° tok/s	100.0%
CheaperInferenceStandardDIRECTMARKETPLACE	$0.16	$0.97	—	—	—	2.3s	155 tok/s	—
CheaperInferenceZero data retentionDIRECTMARKETPLACE	$0.23	$1.35	—	—	—	2.6s	105 tok/s	—
Googlegoogle-vertex/global1ST PARTY	$0.25	$1.50	$0.025	1.05M	—	—	—	87.7%
Google AI Studiogoogle-ai-studio	$0.25	$1.50	$0.025	1.05M	—	—	—	100.0%
Googlegoogle-vertex/eu1ST PARTY	$0.275	$1.65	$0.028	1.05M	—	—	—	99.2%
Googlegoogle-vertex/us1ST PARTY	$0.275	$1.65	$0.028	1.05M	—	—	—	100.0%
Googlegoogle-vertex/global/priorityPRIORITY1ST PARTY	$0.45	$2.70	$0.045	1.05M	—	—	—	100.0%
Google AI Studiogoogle-ai-studio/priorityPRIORITY	$0.45	$2.70	$0.045	1.05M	—	—	—	99.9%

TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured against the provider API directly; ° = routed via OpenRouter (adds a hop) · methodology v1.1 · measured 8 minutes ago

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Pricing variants · USD / MTok in / out

STANDARD

$0.25 / $1.50

per MTok in / out

BATCH

$0.125 / $0.75

async batch

CACHE READ $0.025CACHE WRITE $0.083WEB SEARCH $0.014 / search

Recent changesRSS ↗

Sep 23, 2026endpoint added · cheaperinference8 → 10

About

Gemini 3.1 Flash Lite is Google’s GA high-efficiency multimodal model optimized for low-latency, high-volume workloads. It supports text, image, video, audio, and PDF inputs, and is designed for lightweight agentic...

Specifications

Context window1,048,576

Max output65,536

Modalities intext, image, video, file, audio

Modalities outtext

LicenseProprietary

ReleasedMay 7, 2026

TokenizerGemini

Nano Banana 2.1$1.50 / $7.50 Gemini 3.8 Flash$0.75 / $3.75 Gemini 3.7 Flash$0.75 / $3.75 Gemini 3.6 Flash$0.75 / $3.75

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Gemini 3.1 Flash Lite price and speed badge

[![Gemini 3.1 Flash Lite](https://modelindex.ai/badge/google/gemini-3.1-flash-lite)](https://modelindex.ai/models/google/gemini-3.1-flash-lite)

Sources

OpenRouter API23 minutes ago

AGGREGATOR

LiteLLM dataset23 minutes ago

AGGREGATOR

ModelIndex benchmarks19 days ago

MEASURED

Verified 23 minutes ago · list prices, not negotiated rates.