Provider pricing
AI21 Labs AI API pricing
AI21 Labs builds the Jamba family — hybrid Mamba-Transformer models that combine Transformer quality with Mamba's linear-time long-context efficiency. Jamba 1.5 Large and Mini both ship with 256K context windows and strong RAG, function calling, and structured-output support.
Founded2017
HeadquartersTel Aviv, Israel
Tracked models3
Best for
Long-document RAG, contract analysis, and workloads where 100K+ context is the norm.
Strengths
- Hybrid Mamba-Transformer: linear-time inference on long contexts
- 256K context window across the lineup
- Strong grounded generation and citation support for RAG
- Available on AI21 Studio, Bedrock, Vertex, and Azure
Tracked AI21 Labs models
| Model | Input $/M | Output $/M | Context | Tier | Best for |
|---|---|---|---|---|---|
| Jamba 1.7 Large | $2.00 | $8.00 | 256,000 | Flagship | Hybrid Mamba-Transformer flagship with 256K context |
| Jamba 1.7 Mini | $0.200 | $0.400 | 256,000 | Budget | Cost-efficient hybrid SSM for long-context RAG |
| Jamba Instruct | $0.500 | $0.700 | 256,000 | Mid-tier | Instruction-tuned variant for enterprise deployments |