Other notable labs · General language
Jamba2 3B
On-device RAG on iOS/Android/desktop when you need an unusually large 256K window from a 3B model.
Open weights · Permissive (Apache, MIT, OpenMDW) · Data checked September 6, 2026 · Not a hands-on evaluation
Model ID ai21labs/AI21-Jamba2-3B
- Parameters
- 3B
- Architecture
- Not recorded
- Context window
- 256,000 tokensMaximum input
- Max output
- Not recordedPer response
- Input price
- Not published
- Output price
- Not published
- Cached input
- Not published
- Blended price
- Not available3:1 input to output
- Knowledge cutoff
- Not recorded
- Released
- 2026-02
- Status
- ga
- Size band
- Up to 4B
License and openness
Jamba2 3B is released under the Apache 2.0. This is a permissive license. It generally allows use, modification and redistribution, including commercial use, subject to attribution and notice requirements. License terms can change between versions; confirm the text published with the weights you download.
Capabilities
| Input modalities | text |
|---|---|
| Output modalities | text |
Cost at list price
| Input | Not published |
|---|---|
| Output | Not published |
| Cached input | Not published |
| Blended, 3:1 | Not available |
The provider publishes no per-token price for this model. Any price you see elsewhere belongs to a third-party host, and running the weights yourself has hardware costs instead.
Estimate a workload across all models ↗Sources
- Source: huggingface.co ↗
- Other notable labs pricing ↗
- API docs ↗
- Full reference record for Jamba2 3B ↗
- Other notable labs in the reference ↗
Sources checked September 6, 2026. Specifications and prices change without notice; confirm against the provider before you commit.
Other open-weight models from Other notable labs
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- Jamba Mini 1.7 · 52B total · 12B active
- Jamba2 Mini · 52B total · 12B active
- Jamba Reasoning 3B · 3B
- Reka Edge (reka-edge-2603) · 7B
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- Olmo 3.1 32B Instruct · 32B
- Olmo 3 32B Base · 32B
- Olmo 3 7B Instruct · 7B
- Olmo 3 7B Think · 7B
- Molmo 2 8B · 9B
- Molmo 2 4B · 4B