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
Rate limit
15 RPM · 1500 RPD
Model ID
gemini-3.5-flash
Base URL
https://generativelanguage.googleapis.com/v1beta
Last verified
July 2026

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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