Gemini 3.5 Flash API Pricing
Short answer
Gemini 3.5 Flash costs $1.50 per 1M input tokens and $9.00 per 1M output tokens . Context window: 1,048,576. Last verified 2026-06-17 from openrouter.ai. Confidence: Verified.
Gemini 3.5 Flash is Google's newest GA model, positioned to beat 3.1 Pro on coding and agentic tasks at lower cost.
Input
$1.50 /1M
Output
$9.00 /1M
Cached input
— /1M
Input pricing$1.50
Output pricing$9.00
Limits & capabilities
Context window1,048,576
Max output65,536
Modalitytext/image/video/audio input, text output
ChannelOpenRouter
ProviderGoogle Gemini
Best for
CodingAgenticFast
Batch/Flex: $0.75 input / $4.50 output. Thinking tokens billed as output.
Last checked Verified
More from Google Gemini
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Gemini 3.1 Flash-Lite
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Gemini 2.5 Pro
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Gemini 2.5 Flash
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Gemini 2.5 Flash-Lite
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