71
Stack Score
Editorial pick✓ Verified working
AI21 Labs
Enterprise LLMs built around the Jamba long-context architecture.
Try AI21 Labs✓ Free trial available
Best for
Engineering teams who want a long-context Mamba/Transformer hybrid at competitive token pricing.
At a glance
- Pricing
- paid
- Setup time
- 10 minutes
- Learning curve
- moderate
- Last verified
- 5/22/2026
What we love
- ✓Excellent price-per-token on long context
- ✓Strong RAG-focused tooling
- ✓Available on AWS Bedrock
Where it falls short
- −Smaller ecosystem than OpenAI/Anthropic
- −Consumer chat product was sunset
- −Less community tutorial content
Pricing
✓ Pricing verified Jun 21, 20263 tiers
Free
$10 credit
one-time
- ✓Studio access
- ✓All models
Pay-as-you-go
From $0.20
per 1M input tokens (Jamba Mini)
- ✓Production API
- ✓RAG Engine
- ✓Support
Enterprise
Custom
contract
- ✓VPC deploy
- ✓SSO
- ✓SLA
Why we picked it
AI21 is the quietest serious LLM lab. Jamba's 256K context handles long financial PDFs better than GPT-4o on price per token.
Overview
Enterprise LLMs built around the Jamba long-context architecture. Engineering teams who want a long-context Mamba/Transformer hybrid at competitive token pricing.
Key features
- ●Jamba 1.5 Mini and Large models
- ●256K context window
- ●Hybrid Mamba-Transformer architecture
- ●RAG Engine product
- ●Studio playground
- ●SOC 2 Type II
- ●AWS Bedrock distribution
Best use cases
Long-doc summarization at scale
Process 200-page filings without chunking gymnastics.
Drop-in RAG backend
Use AI21's hosted RAG Engine instead of building your own.
Integrations
AWS BedrockSimilar tools
See all LLMs →One AI Stack pick every week.
The tool we’d pay for this week, why we’d pay for it, and what we’d skip. No promo spam.