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Google launches Gemini 3.5 with 3.5 Flash for agents and coding

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Google introduced the Gemini 3.5 family, starting with Gemini 3.5 Flash, which it said is its strongest agentic and coding model, outperforming Gemini 3.1 Pro on Terminal-Bench 2.1 (76.2%) and GDPval-AA, and released it in the Gemini app, AI Mode in Search, the API and enterprise products. Google said 3.5 Pro would follow the next month.

Why it matters

Google’s fast, cheap tier overtook its previous flagship on agent benchmarks and shipped to Search users at once.

When
19 May 2026
ID
WTA-N-2026-0166
Who
Google, Google DeepMind

Summary by wheresthe.ai, from Google. Checked against the source on 9 Oct 2026.

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: Led toGoogle releases Gemini 3.8 Flash and a cyber model for vetted defenders

Cite this story

WTA-N-2026-0166: “Google launches Gemini 3.5 with 3.5 Flash for agents and coding.” wheresthe.ai, 19 May 2026. https://wheresthe.ai/d/google-gemini-3-5-flash-2026-05/ (source: Google: Gemini 3.5).

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