Google: Gemini 3.1 Flash Lite

Google: Gemini 3.1 Flash Lite is a large language model from Google. It costs $0.250 per million input tokens and $1.50 per million output tokens. Its context window is 1.0M tokens.

ReasoningTool callingStructured outputPrompt cachingBatch tierimage inputvideo inputfile inputaudio input

Input / 1M tokens: $0.250
Output / 1M tokens: $1.50
Cached input / 1M: $0.025
Context window: 1.0M

This model also charges $0.014 per search request

That is $14.00 per 1,000 requests, billed on top of the token prices above. On a typical 1,000-in / 500-out exchange the tokens cost $0.001, so the search fee is 14× the token cost. Per-token rankings elsewhere ignore this entirely.

Who serves it cheapest

2 hosts serve Gemini 3.1 Flash Lite. Same weights, same API - the price difference is pure margin and routing.

Providers serving Google: Gemini 3.1 Flash Lite, cheapest first
Provider	Input / 1M	Output / 1M	Context	Throughput	Uptime 24h
GoogleCheapest	$0.125	$0.750	1.0M	-	53.0%
Google AI Studio	$0.125	$0.750	1.0M	-	100.0%

The spread between Google and Google AI Studio is about the same for identical weights. Quantization and context limits differ, so check both columns before switching.

About Gemini 3.1 Flash Lite

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

Google: Gemini 3.1 Flash Lite specifications
Model ID	`google/gemini-3.1-flash-lite`
Provider	Google
Context window	1.0M tokens
Max output	66K tokens
Input modalities	text, image, video, file, audio
Output modalities	text
Knowledge cutoff	-
Open weights	No
Released	May 7, 2026

Cheaper alternatives

Models that cost less than Gemini 3.1 Flash Lite while keeping at least half its context window and every input modality it supports.

Gemini 2.5 Flash Lite

$0.100 in · $0.400 out

3.2× cheaper

Muse Spark 1.3 Contributor

$0.100 in · $0.200 out

4.5× cheaper

Muse Spark 1.2 Contributor

$0.100 in · $0.200 out

4.5× cheaper

Auto Router (Beta)

$-1000000.0000 in · $-1000000.0000 out

about the same cheaper

Auto Router

$-1000000.0000 in · $-1000000.0000 out

about the same cheaper

Frequently asked

How much does Google: Gemini 3.1 Flash Lite cost?

$0.250 per million input tokens and $1.50 per million output tokens. Cached input reads cost $0.025 per million tokens.

What is the context window of Google: Gemini 3.1 Flash Lite?

1.0M tokens, with up to 66K tokens of output per request.

Does Google: Gemini 3.1 Flash Lite have extra fees beyond per-token pricing?

Yes. Google: Gemini 3.1 Flash Lite charges $0.014 per search request - $14.00 per 1,000 requests - on top of $0.250 per million input tokens and $1.50 per million output tokens. On a typical 1,000-input / 500-output exchange the search fee alone is 14× the token cost.

Which provider serves Google: Gemini 3.1 Flash Lite cheapest?

Google at $0.125 per million input tokens - about the same cheaper than Google AI Studio, the most expensive of the 2 hosts serving it.

Confirm against the source: Google official pricing.