Gemma 4 31B spotted on Arena
Confirmed5 evidence links
English original

Gemma 4 31B is a model from Google with open weights, first recorded on 7 Oct 2026; its release date is not established. The context window is 262,144 tokens. The maximum output is 32,768 tokens.
The context window is 262,144 tokens. The maximum output is 32,768 tokens.
Yes. Google publishes the weights.
Its release date is not established. Signal Forge first recorded it on 7 Oct 2026.