Changes from previous version
First fully open-source Apache-licensed Gemma generation with MoE 26B and dense 31B options; stronger vision and audio tooling than Gemma 3.
Release Summary
Gemma 4 ships under Apache 2.0 with multimodal vision and audio on select sizes, up to 256K context on larger checkpoints.
Timeline
April 2, 2026
Gemma 4 released
Google releases Gemma 4 in E2B, E4B, 26B A4B MoE, and 31B dense sizes.