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Gemini 3.5 Flash

Last verified: May 20, 2026

$1.50/1M input · $9.00/1M output · 1.0M context · Google

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Alternatives to Gemini 3.5 Flash

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GPT-4.1
$2.00 in · $8.00 out · OpenAI
5% cheaper
Premium Upgrade
GPT-5.1
$1.25 in · $10.00 out · OpenAI
Premium tier from OpenAI
Same Provider
Gemini 2.5 Pro
$1.25 in · $10.00 out · Google
Higher tier in Google ecosystem

Pricing Details

GoogleLaunched at Google I/O 2026 (May 19, 2026). 3x more than Gemini 3 Flash, but beats Gemini 3.1 Pro on Terminal-Bench 2.1 (76.2 vs 70.3), MCP Atlas (83.6 vs 78.2), and GDPval-AA (1656 vs 1314). Cached input: $0.15/1M. Batch / Flex: $0.75/$4.50. Priority: $2.70/$16.20. New thinking_level enum (minimal/low/medium/high), default medium. ~289 tok/s output. Default in Gemini app and Search AI Mode. Estimated tokens (different tokenizer).
Input / 1M tokens
$1.5
Output / 1M tokens
$9
Context Window
1.0M
Max Output
66K
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Price History

Launched at current price on 2026-05-19. No price changes recorded.

Frequently Asked Questions

Common questions about Gemini 3.5 Flash pricing and usage

Read More About Gemini 3.5 Flash

Gemini 3.5 Flash costs 3x what Gemini 3 Flash did. Google priced it that way because it beats their own Pro model on agentic work.
May 20, 2026 · 10 min read
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