Jamba
First released Mar 28, 2024No recorded lineage links in this family, so no releases are connected here.
No creator statement of what this variant name means is recorded for Jamba.
Model creator
AI21
An Israeli AI company that builds the Jamba family of hybrid SSM-Transformer models, released as open weights and offered through its paid API.
2 familiesChecked Aug 28, 2026
Featured ecosystems
Recorded lineage, creator by creator
Nesting shows a recorded predecessor Model Passport
Jurassic
First released Aug 4, 2021No recorded lineage links in this family, so no releases are connected here.
No creator statement of what this variant name means is recorded for Jurassic.
Families without a featured release are not drawn here. Every record in the catalog, featured or not, is listed in the model index and the Model Tree.
Official record
The organization's own surfaces, and the verification date these facts were last checked against them.
- Full recorded name
- AI21 Labs
- Website
- https://www.ai21.com/
- Release page
- https://www.ai21.com/blog
- Type
- company
- Verified
- Aug 28, 2026
Releases
Every release recorded for AI21, current and legacy alike. Filter by lifecycle status; the choice is kept in the page address so it survives a reload or a shared link.
Showing all 2 releases.
- Jamba v0.1 Available
- Jurassic-1 Jumbo Unknown
Primary sources
The organization-level sources behind the summary above.
- official announcementAnnouncing Jamba: AI21’s Groundbreaking SSM-Transformer Model
AI21 Labs | Checked Sep 1, 2026
- official docsJamba: A Hybrid Transformer-Mamba Language Model
AI21 Labs | Published Mar 28, 2024 | Checked Sep 1, 2026