Model vendor
AI21 Labs
NLP AI company
Updated Aug 11, 2026. Data as of 2026-08-11
Models2
Versions2
Open defaults0
CountryIL
AI21 Labs models
Default-version specifications and scored-version capability values are labeled separately.
| AL | Jamba 1.5 Large | 2.7 | 80.0% | 256K | Closed weights | Jamba 1.5 Large | |
| AL | Jamba 1.5 Mini | 0.0 | 80.0% | 256.1K | Closed weights | Jamba 1.5 Mini |
AI21 Labs capability scores
Each unique model uses its latest scored version.
AI21 Labs Highlights
Leading AI21 Labs models by score, price and context window.
Top scoreJamba 1.5 Large2.7 LLMBoardLargest contextJamba 1.5 Mini256.1K tokens
Open-weight defaults0of 2 models
What is AI21 Labs?
Background and model catalog information for AI21 Labs.
NLP AI company
Model ownership is separate from API hosting. One model can be offered by multiple API providers with different prices.
- Vendor
- AI21 Labs
- Models
- 2
- Versions
- 2
- Country
- IL
- Founded
- Not available
Catalog data as of 2026-08-11.
FAQ
Common questions about AI21 Labs.
What is AI21 Labs's highest-ranked model?
Jamba 1.5 Large currently has the strongest LLMBoard score from this vendor.
How many AI21 Labs models are tracked?
The catalog contains 2 independently selectable AI21 Labs models and 2 versions.
Does AI21 Labs host every listed model API?
Not necessarily. Vendor identifies the model developer; API providers are tracked separately.
Does AI21 Labs publish open-weight models?
No current default version is marked as open weight.