Jamba
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A to Z
- A · App
- No
- B · Built By
- AI21 Labs
- C · CEO & Politics
- Ori Goshen and Yoav Shoham (co-CEOs) — Centrist (Israel-based)
- D · Date
- 2024
- E · Expertise
- Intermediate+
- F · Free Tier
- Yes
- G · Generates
- Text only
- H · Deployment
- Cloud + Local (open weights)
- I · Inputs
- Text
- J · Jurisdiction
- Israel
- K · Key Staffers
- Ori Goshen (Co-CEO), Yoav Shoham (Co-CEO), Amnon Shashua (Chairman)
- L · Languages
- English-primary
- M · Model Type
- LLM
- N · Safety Issues
- None reported
- O · Open Source
- Yes — open weights
- P · Pricing
- Free (open weights, Apache 2.0)
- Q · AIDb Rating
- [UNKNOWN]
- R · What Makes It Special
- AI21's original Jamba base model: a hybrid Mamba (SSM) and Transformer mixture-of-experts LLM with 12B active and 52B total parameters and a 256K context (up to 140K tokens on one 80GB GPU), knowledge cutoff March 5, 2024. AI21 has since released the instruction-tuned Jamba 1.5 Mini and Large.
- S · Stock / Status
- Private
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- No
- W · Weights
- Downloadable
- X · X Handle
- @AI21Labs
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Open-weights LLM from AI21 Labs, released 2024.
Data completeness 85% · Last verified 2026-05-12 · Primary source ↗
Cite this
“Jamba.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/jamba.html