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Gemini 3.5 Flash API Pricing — $1.50/M input, $9.00/M output

Next-generation powerhouse: blazing speed, 1M context, and highly proficient at coding and agentic tasks.

Legacy — superseded by Gemini 3.6 Flash See Gemini 3.6 Flash pricing.
No announced shutdown date. Source · Full retirement tracker
Input
$1.50/M
Output
$9.00/M
Blended
$3.38/M
Provider
Verified 2026-05-21 — source

Speed

Not yet measured — see the speed benchmark leaderboard for models we do track.

Cost at scale

Tokens / monthEst. cost (blended 3:1)
100,000$0.34
1,000,000$3.38
10,000,000$33.75
100,000,000$337.50

How Gemini 3.5 Flash compares

Gemini 2.5 Flash Lite — $0.18/MGemini 3.5 Flash Lite — $0.56/MGemini 3.1 Flash Lite — $0.56/MGemini 2.5 Flash — $0.85/MGemini 3.1 Flash — $1.69/MGemini 3.6 Flash — $3.38/MGPT-5 — $3.44/MGPT-4.1 — $3.50/M
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FAQ

Is Gemini 3.5 Flash cheaper than Gemini 3.6 Flash?

Gemini 3.5 Flash costs $3.38/M blended tokens, Gemini 3.6 Flash costs $3.38/M — Gemini 3.6 Flash is cheaper.

How much does 1 million tokens cost with Gemini 3.5 Flash?

At a 3:1 input:output ratio, 1 million blended tokens costs approximately $3.38. Pure input costs $1.50/M; pure output costs $9.00/M.

Who provides Gemini 3.5 Flash?

Gemini 3.5 Flash is served by Google. Pricing was last verified on 2026-05-21 against https://ai.google.dev/gemini-api/docs/pricing.

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