Jamba2 hybrid SSM-Transformer MoE (52B total, 12B active) tuned for grounding; Apache 2.0.
Released
Jan 8, 2026
Context window
262K tokens
Max output
Not disclosed
Parameters
52B 12B active
Input price
$0.20 per 1M
Output price
$0.40 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceJan 8, 2026
$0.20 in / $0.40 out
Current price
since Jan 8, 2026
$0.20 in / $0.40 out
Specifications
- Developer
- AI21 Labs
- Model type
- Text LLM
- Architecture
- Hybrid
- Parameters
- 52B (12B active)
- Input
- Text
- Output
- Text
- Knowledge cutoff
- Not disclosed
- License
- Apache License 2.0
- API access
- First-party API
- Capabilities
- Long context