Hybrid SSM-Transformer MoE (398B total, 94B active) with improved grounding; 256K context.
Released
Jul 3, 2025
Context window
262K tokens
Max output
Not disclosed
Parameters
398B 94B active
Input price
$2.00 per 1M
Output price
$8.00 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceJul 3, 2025
$2.00 in / $8.00 out
Current price
since Jul 3, 2025
$2.00 in / $8.00 out
Specifications
- Developer
- AI21 Labs
- Model type
- Text LLM
- Architecture
- Hybrid
- Parameters
- 398B (94B active)
- Input
- Text
- Output
- Text
- Knowledge cutoff
- Aug 2024
- License
- Custom open license
- API access
- First-party API
- Capabilities
- Long context Tool use