Gemma
Family overview — summarizes releases; licenses and availability belong to each release.
Maintained by Google DeepMind123
Gemma is a family of open-weight models credited to Google DeepMind. Google's release page lists general-purpose generations including Gemma 3 (2025) and Gemma 4 (2026), along with specialized variants such as EmbeddingGemma, MedGemma, ShieldGemma, and FunctionGemma.43
- Website: Gemma on Google DeepMind (external site: deepmind.google)
- Release notes: Gemma releases (external site: ai.google.dev)
- Documentation: Gemma 4 model card (external site: ai.google.dev)
- Repository: gemma JAX library (external site: github.com)
Releases assessed
| Release | Weights | Tier (USASI rubric v0.1) | License | Released |
|---|---|---|---|---|
| Gemma 4 12B Unified | Weights: Public | Model-disclosure tier (USASI rubric v0.1): Open-weight | Apache-2.0 | Jun 3, 2026 |
| Gemma 4 26B A4B | Weights: Public | Model-disclosure tier (USASI rubric v0.1): Open-weight | Apache-2.0 | Mar 31, 2026 |
| Gemma 4 31B | Weights: Public | Model-disclosure tier (USASI rubric v0.1): Open-weight | Apache-2.0 | Mar 31, 2026 |
Organization context
Provenance and derivatives
Catalog records that name this entry in their provenance:
U.S. eligibility
Eligible · basis: Documented U.S. control
The Gemma model cards name Google DeepMind as the author. Google DeepMind is a research unit of Google, announced by Google's CEO in 2023, and Google's parent Alphabet Inc. has its principal executive offices in Mountain View, California, per its fiscal 2025 Form 10-K.1278
Sources
This listing is not an endorsement, a safety assessment, or a federal approval.