Gemini 3.1 Flash-Lite pricing

Gemini 3.1 Flash-Lite from Google costs $0.250 per 1M input tokens and $1.50 per 1M output tokens. Cached input is $0.025 per 1M. Context window 1,048,576 tokens.

API id gemini-3.1-flash-lite · Google · source · updated 2026-08-11

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

What Gemini 3.1 Flash-Lite costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0010
Document summary50,0002,000$0.02
1M tokens in, 200K out1,000,000200,000$0.55

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Gemini 3.1 Flash-Lite cost per 1M tokens?
Gemini 3.1 Flash-Lite costs $0.250 per 1M input tokens and $1.50 per 1M output tokens on the standard tier. Cached input is $0.025 per 1M.
What is Gemini 3.1 Flash-Lite's context window?
Gemini 3.1 Flash-Lite accepts up to 1,048,576 tokens in a single request, and can return up to 65,536 output tokens.
Is there a cheaper Gemini model than Gemini 3.1 Flash-Lite?
Yes. Gemini Embedding is $0.150 per 1M input tokens versus $0.250 for Gemini 3.1 Flash-Lite.
Where does this Gemini 3.1 Flash-Lite price come from?
Directly from Google's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

Other Gemini models

See all Gemini pricing →