Model vendor
AI21 Labs
NLP AI company
Updated Aug 10, 2026. Data as of 2026-08-07
Published models2
Published versions2
Open defaults0
CountryIL
AI21 Labs models
Default-version specifications and scored-version capability values are labeled separately.
| AL | Jamba 1.5 Large | 38.3 | 60.0% | 256K | Closed weights | Jamba 1.5 Large | |
| AL | Jamba 1.5 Mini | 22.3 | 60.0% | 256.1K | Closed weights | Jamba 1.5 Mini |
AI21 Labs capability scores
Each unique model uses its latest scored version.
AI21 Labs highlights
Leaders from this vendor's current published catalog.
Top scoreJamba 1.5 Large38.3 LLMBoardLargest contextJamba 1.5 Mini256.1K tokens
Open-weight defaults0of 2 published models
What is AI21 Labs?
Vendor context from the published model registry.
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
- Published models
- 2
- Published versions
- 2
- Country
- IL
- Founded
- Not published
Vendor description and inventory come from the published model registry.
FAQ
Common questions about AI21 Labs.
What is AI21 Labs's highest-ranked model?
Jamba 1.5 Large currently has the strongest published LLMBoard score from this vendor.
How many AI21 Labs models are tracked?
The current public catalog contains 2 independently selectable AI21 Labs model products and 2 published 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.