Gemini 3.5 Flash by Google Gemini
Free tier unavailable in EU/UK/Switzerland. Free-tier prompts may be used by Google to improve products.
Access
Free API tier
Free limits
15 RPM, 1,500 RPD
Modality
image, video, audio, text
Credit card
Not required
Commercial use
Unclear, verify
Context window
1,000,000 tokens
Model ID
gemini-3.5-flash
Base URL
https://generativelanguage.googleapis.com/v1beta
Last verified
June 2026
How to use Gemini 3.5 Flash
Free tier unavailable in EU/UK/Switzerland. Free-tier prompts may be used by Google to improve products.
Quickstart
curl https://generativelanguage.googleapis.com/v1beta/chat/completions \
-H "Authorization: Bearer $KEY" \
-d '{"model":"gemini-3.5-flash","messages":[{"role":"user","content":"hi"}]}'Frequently asked
Is Gemini 3.5 Flash free?
Yes. Google Gemini offers it as Free API tier with these limits: 15 RPM, 1,500 RPD. No credit card is required.
Can I use Gemini 3.5 Flash commercially?
Commercial terms are not clearly documented. Check the provider's current terms before shipping.
How do I start using Gemini 3.5 Flash?
Free tier unavailable in EU/UK/Switzerland. Free-tier prompts may be used by Google to improve products.
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