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Free Gemini 3.5 Flash API

Updated 6/4/2026

Gemini 3.5 Flash is Google's newest frontier Flash model (May 2026), ~4x faster and beating Gemini 3.1 Pro on hard benchmarks. Currently preview/paid; free alternative: Gemini 2.5 Flash.

About the Model

Gemini 3.5 Flash (May 2026) is Google's newest frontier Flash model — about 4x faster than comparable frontier models and beating Gemini 3.1 Pro on hard agentic and coding benchmarks.

As a brand-new release it's currently preview/paid, so free access is limited. For a genuinely free alternative right now, use Gemini 2.5 Flash via Google AI Studio.

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The following platforms provide free access to Gemini 3.5 Flash through free tiers, trial credits, or daily quotas.

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