Updated daily at 05:00 UTC
- Released
- Jul 2025
- Status
- Retired
- Retired
- 1 Feb 2026
- Context
- 256K
- Max output
- —
- Input per 1M tokens
- —
- Output per 1M tokens
- —
- Open weights
- Yes
- License
- jamba-open-model-license
- Parameters
- 51.57B, 12B active
- Knowledge cutoff
- —
- Reasoning
- No
- Modalities
- text → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
Not enough independent results yet
Only independent and third-party results rank a model; self-reported and unattributed numbers never do.
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
No benchmark results yet
Other Jamba versions
- Jamba2 3BJan 2026
- Jamba2 MiniJan 2026
- Jamba Reasoning 3BOct 2025
- Jamba 1.7 LargeJul 2025
- Jamba 1.6 LargeMar 2025
- Jamba 1.6 MiniMar 2025
- Jamba 1.5 LargeAug 2024
- Jamba 1.5 MiniAug 2024
- Jamba v0.128 Mar 2024