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View detailsAI21 Labs
AI platform with chat and language models for enterprise applications.
AI21 Labs is an AI platform with chat and language models for enterprise applications. Its Jamba models combine transformer and state-space architectures for long-context tasks, and the company offers Maestro for building AI systems and agents.
Key Features
- Jamba language models for chat and documents
- Long-context support for large files
- API for chat and summarization
- Open-weight models available
- Enterprise support and customization
- Maestro for building AI systems
Pricing
| Plan | Price | Details |
|---|---|---|
| Free trial | $0 for 7 days | $10 in credits for 7 days, no card needed. |
| Pay as you go | From $0.20 per 1M tokens | Jamba Mini $0.20 input and $0.40 output per 1M tokens; Jamba Large $2 and $8. |
| Custom | Custom | Custom pricing through sales. |
Prices as listed in 2026 research. Always check the official site for the latest price — plans change. Free plan: No free plan — paid plans only.
Best for: developers who want enterprise language models with a small free trial.
Popular with: Developers, Business Owners
Popular with: Developers, Business Owners
How it works
The platform provides an API for chat, summarization, and document work, with open-weight models also available. AI21 targets enterprises that need reliable, production-grade language models with support and customization options.
There is no free tier, only a 7-day trial with $10 in credits. Pay-as-you-go pricing starts at $0.20 per million input tokens for Jamba Mini and $2 for Jamba Large. Note that the homepage has shifted toward post-training services, so model availability should be checked before committing.
Pros and Cons
✓ Pros
- Strong long-context models
- Free trial to test the API
- Open weights available
- Enterprise-grade reliability
✗ Cons
- No free tier, only a 7-day trial with $10 in credits
- Homepage has shifted toward post-training services
- Jamba and Maestro availability is uncertain
Frequently Asked Questions
Is AI21 Labs free?
No — AI21 Labs has no free plan. 7-day trial with $10 credit; pay as you go from $0.20 per 1M tokens
What is AI21 Labs best for?
developers who want enterprise language models with a small free trial.
What kind of tool is AI21 Labs?
AI21 Labs is a AI Chatbots tool on VerlumoAI.
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View detailsLast reviewed: November 2026