google / text-generation API-only released 2026-05-07

Gemini 3.1 Flash Lite

Name: Gemini 3.1 Flash Lite
Price: 0.25 USD
Author: google

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...

Input / 1M

$0.25

Output / 1M

$1.50

Context

AA Intelligence

—

Closed weights — available only as a hosted API text + image + video + file + audio → text View on OpenRouter ↗

Pricing

via OpenRouter · USD per 1M tokens · synced 2026-10-24

$0.25

input / 1M

$1.50

output / 1M

$0.025

cached input / 1M

$1.75

1M in + 1M out

:batch variant $0.13 in · $0.75 out

Context window: 1,048,576 tokens
Max output: 65,536 tokens
Providers: 2
Cheapest provider: Google AI Studio · $0.13 / $0.75
Best throughput: —
AA Intelligence / Coding / Agentic: — / — / —

✓ Tool calling ✓ Reasoning ✓ Structured outputs ✓ Image input ✓ File input ✓ Audio input ✓ Prompt caching

Price history

tracking started — chart appears after 7 days of snapshots (6 recorded)

Current: $0.25 input · $1.50 output per 1M tokens

Providers

2 providers · per 1M tokens · last 30 min metrics

Provider	Quant	Context	Input	Output	Uptime	Tok/s
Google	unknown	1M	$0.13	$0.75	77%	—
Google AI Studio	unknown	1M	$0.13	$0.75	100%	—
Google	unknown	1M	$0.25	$1.50	100%	—
Google AI Studio	unknown	1M	$0.25	$1.50	100%	—
Google	unknown	1M	$0.28	$1.65	100%	—
Google	unknown	1M	$0.28	$1.65	100%	—
Google	unknown	1M	$0.45	$2.70	100%	—
Google AI Studio	unknown	1M	$0.45	$2.70	100%	—

Provider data from OpenRouter's endpoint listing, refreshed daily.

Specifications

Organisation: google
Released on OpenRouter: 2026-05-07
Context window: 1,048,576 tokens
Max output: 65,536 tokens
Input: text, image, video, file, audio
Output: text
Tokenizer: Gemini
Moderated by provider: No
OpenRouter id: google/gemini-3.1-flash-lite

Compare with

Popular comparisons

Gemini 3.1 Flash Lite Preview $0.56 Gemini 2.5 Flash $0.85 Gemini 3.5 Flash Lite $0.85 Gemini 3 Flash Preview $1.13 Gemini 3.6 Flash $1.50 Gemini 3.7 Flash $1.50 Gemini 3.8 Flash $1.65 Gemini 2.5 Flash Lite $0.18

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Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.