Primary Source

Official announcement from Google. These are their claims—they have marketing incentives.

Gemini 3.1 Flash-Lite: Built for intelligence at scale

Gemini 3.1 Flash-Lite is our fastest and most cost-efficient Gemini 3 series model yet.

Google DeepMind · Mar 03, 2026 16:35 UTC · ~5 min read

2 sources reporting

2-Minute Brief

According to Google DeepMind: Gemini 3.1 Flash-Lite is our fastest and most cost-efficient Gemini 3 series model yet.

TLDR

Gemini 3.1 Flash-Lite is our fastest and most cost-efficient Gemini 3 series model yet.

2 sources · Official, but marketing

2-Minute Brief

According to Google DeepMind: Gemini 3.1 Flash-Lite is our fastest and most cost-efficient Gemini 3 series model yet.

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