APIIntermediate
AI21 Jamba
AI21 Labs' Mamba-Transformer hybrid model family with very long context, available as open weights and an enterprise API.
Overview
"AI21 Jamba" is a "API" resource curated by AI Resource Hub, filed under the AI APIs category and suited to Intermediate-level learners. It is provided by AI21 Labs, was last updated on 2026-07-24, and holds an editorial score of 4.3/5 from our team. Click "Visit Resource" on the right to open the original page.
Tags
AI21Long ContextAPI
Key Features
- ▹Mamba-Transformer hybrid for efficient long context
- ▹Strong throughput at large context lengths
- ▹Enterprise focus on reliable structured output
Pros
- +Architecture advantage on long documents
- +Open weights plus managed API flexibility
Cons
- −Smaller community than the biggest labs
FAQ
Why the Mamba hybrid design?
State-space layers keep memory use near-linear with context length, making very long inputs cheaper than pure Transformers.
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Details
- Pricing
- Usage-based API; open weights downloadable
- Author
- AI21 Labs
- Editorial score
- ★ 4.3 / 5
- Last updated
- Jul 24, 2026