Plain-English Summary
A compact Jamba model intended for on-device, private, and resource-constrained applications.
Jamba2 3B
A compact Jamba model intended for on-device, private, and resource-constrained applications.
Jamba 2
General LLM
Available
Open weights: Yes / model dependent
API: Model dependent
Technical Notes
Approximately 3B hybrid Mamba-Transformer model with long-context efficiency.
Best For
Edge assistants, private processing, extraction, experimentation
Watch Out For
Limited knowledge and reasoning compared with larger models.
Model Specs
- Maker
- AI21 Labs
- Country
- Israel
- Family
- Jamba 2
- Type
- General LLM
- Release date
- Not listed
- Date confidence
- Not publicly stated
- Status
- Available
- Context window
- 262,144 tokens
- Max output
- Not listed
- Parameters
- 3B
- Active parameters
- 3B
- Architecture
- Hybrid Mamba-Transformer
- Reasoning
- Basic / general
- Tool calling
- Host dependent
- Structured output
- Host dependent
- API available
- Model dependent
- Open weights
- Yes / model dependent
- Self-hostable
- Yes
- License
- Check model card
- Inputs
- Text
- Outputs
- Text
- Approx. price
- See provider pricing
- How to access
- Provider website
- Model / API ID
- jamba2-3b
- Knowledge cutoff
- Not publicly disclosed
- Fine-tuning
- Fine-tuning, quantization, self-hosting
- Completeness
- 90 %
- Verified
- Jul 18, 2026
- Snapshot date
- Jul 18, 2026
- Source
- Official source