Google DeepMind · Shipped

Gemini 3.8 Flash release date

Specs, benchmarks and changelog are on the Gemini 3.8 Flash model card at TPS.

Released

Sep 1, 2026

What we know

Positioned as an intelligent workhorse model for developers. Launched in early September 2026.

Spec

Params: Not stated
Active: Not stated
Context: Not stated
Weights: Closed
Modality: Not stated
Codename: Not stated

Every claim

11 from 7 sources

TechmemeSpotted in the wildSep 22
Gemini 3.8 Flash mentioned in benchmark comparison context.
no date givenno datesource
TestingCatalogFrom the labSep 3
Google launches Gemini 3.8 Flash for agentic coding applications.
points at Sep 3exact datesource
TechmemeFrom the labSep 2
Google launches Gemini 3.8 Flash, the third Flash update in three months.
points at Sep 2exact datesource
Hacker News (AI front page)From the labSep 2
Google announced the release of Gemini 3.8 Flash model.
points at Sep 2exact datesource
The Verge AIFrom the labSep 2
Google launched Gemini 3.8 Flash, claiming improved reasoning performance over 3.7 Flash.
no date givenno datesource
OpenRouter catalogSpotted in the wildSep 2
Gemini 3.8 Flash is now available on OpenRouter as a routable model.
no date givenno datesource
OpenRouter catalogSpotted in the wildSep 2
Gemini 3.8 Flash is now available on OpenRouter as a routable model with 1M token context window.
no date givenno datesource
TechmemeFrom the labSep 2
Google announced Gemini 3.8 Flash, which reportedly beats Opus 5 and GPT-5.6 Sol on some benchmarks.
no date givenno datesource
The DecoderSpotted in the wildSep 2
Google released Gemini 3.8 Flash, a budget model matching Claude Opus 5 on agentic coding benchmarks.
no date givenno datesource
Simon WillisonSpotted in the wildSep 2
Gemini 3.8 Flash model added to llm-gemini plugin, supporting low, medium and high thinking levels.
no date givenno datesource
TechmemePressSep 1
Google plans to release Gemini 3.8 Flash as soon as Wednesday according to sources.
points at Sep 3exact datesource

Official announcement