Gemini 3.5 Flash pricing

Gemini 3.5 Flash from Google costs $1.50 per 1M input tokens and $9.00 per 1M output tokens. Cached input is $0.150 per 1M. Context window 1,048,576 tokens.

API id gemini-3.5-flash · Google · source · updated 2026-08-11

$1.50
Input / 1M tokens
$9.00
Output / 1M tokens
$0.150
Cached input / 1M
1M
Context window

What Gemini 3.5 Flash costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0060
Document summary50,0002,000$0.09
1M tokens in, 200K out1,000,000200,000$3.30

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 3.5 Flash cost per 1M tokens?
Gemini 3.5 Flash costs $1.50 per 1M input tokens and $9.00 per 1M output tokens on the standard tier. Cached input is $0.150 per 1M.
What is Gemini 3.5 Flash's context window?
Gemini 3.5 Flash 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 3.5 Flash?
Yes. Gemini 2.5 Computer Use Preview is $1.25 per 1M input tokens versus $1.50 for Gemini 3.5 Flash.
Where does this Gemini 3.5 Flash 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 →