Updated daily at 05:00 UTC
Company
AI21 Labs
Israeli AI lab that built the Jurassic models and the open hybrid Mamba-Transformer Jamba models.
- Country
- Israel
- Founded
- 2017
- Headquarters
- Tel Aviv, Israel
- Type
- AI lab
- Open weights
- Mixed
- Website
- https://www.ai21.com
Jamba
Language
- Jamba2 3BJan 2026CurrentOpen weights
- Jamba2 MiniJan 2026CurrentOpen weights
- Jamba Reasoning 3BOct 2025LegacyOpen weights
- Jamba 1.7 LargeJul 2025CurrentOpen weights
- Jamba 1.7 MiniJul 2025RetiredOpen weights
- Jamba 1.6 LargeMar 2025RetiredOpen weights
- Jamba 1.6 MiniMar 2025RetiredOpen weights
- Jamba 1.5 LargeAug 2024RetiredOpen weights
- Jamba 1.5 MiniAug 2024RetiredOpen weights
- Jamba v0.128 Mar 2024LegacyOpen weights
Jurassic
Language
- Jurassic-1 Jumbo—Retired
- Jurassic-2 (Ultra, Mid, Light)9 Mar 2023Retired