Google: Gemini 3.1 Flash Lite

Google

Google: Gemini 3.1 Flash Lite by Google costs $0.25 per 1M input tokens and $1.50 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)

$0.25

Output (per 1M tokens)

$1.50

Cached input (per 1M)

$0.03

Provider	Input / 1M	Output / 1M
openrouter	$0.25	$1.50
Google	$0.25	$1.50

Specifications

Provider: Google
Context window: 1M tokens
Parameters: —
Released: May 2026
Open weights: No
Frontier model: No

Benchmarks

Epoch Capabilities Index: 144.5
GPQA Diamond: 81.8

Speed & latency

Time to first token

0.82s

Output speed

306 tok/s

Fastest host: vertex (via vercel-ai-gateway).

Compare Google: Gemini 3.1 Flash Lite with…

Google: Gemini 3.1 Flash Lite vs Gemini 3.1 Flash Lite Preview$1.50/1M Google: Gemini 3.1 Flash Lite vs GPT-3.5 Turbo$1.50/1M Google: Gemini 3.1 Flash Lite vs Magistral Small 1.2$1.50/1M Google: Gemini 3.1 Flash Lite vs Magistral Small$1.50/1M Google: Gemini 3.1 Flash Lite vs Mistral Large 3 2512$1.50/1M Google: Gemini 3.1 Flash Lite vs Qwen3.6 35B-A3B$1.49/1M

FAQ

How much does Google: Gemini 3.1 Flash Lite cost?

Google: Gemini 3.1 Flash Lite is priced at $0.25 per 1M input tokens and $1.50 per 1M output tokens. Output tokens cost more than input.

What is Google: Gemini 3.1 Flash Lite's context window?

Google: Gemini 3.1 Flash Lite supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.

Is Google: Gemini 3.1 Flash Lite open weight?

No — Google: Gemini 3.1 Flash Lite is a closed/proprietary model accessed via API.

Data as of 2026-10-15. Source: Pricing via OpenRouter API, openrouter.ai. Pricing is per 1M tokens (USD); confirm with the provider before production use.