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AI21 Labs pricing

AI21 trains specialized, customer-owned language models on a customer's data, and also sells Jamba models through a usage-priced API.

Large language modelsPriced per minuteSelf-serve + sales
Visit AI21 LabsPrices checked Oct 29, 2026

How much does AI21 Labs cost?

Usage price from $0.20/minute
Free plan
Not stated
Free trial
$10 credits for 7 days, no credit card needed
Usage price
$0.20/minute
Enterprise
Contact sales
Read from www.ai21.com/pricing/ on Oct 29, 2026. Price changed? Tell usSee the line each price came from

In your favor

  • Unlimited usage on Pay As You Go. A flat price with no cap on usage.
  • Free trial. $10 credits for 7 days, no credit card needed
  • Notice before price changes. AI21 may change fees prospectively with prior notice as required by applicable law or any separate agreement

How you buy and get started

Self-serve + salesButtons on their site: Start Now for FREE, Contact Sales, Talk to a training expert
Sign up
Free trial sign-up at studio.ai21.com, no credit card needed
"No credit card needed"
Setup
Not stated
When sales steps in
Custom Plan for scale, custom implementation or dedicated support
"For companies looking to scale and those that require custom implementation or dedicated support."
Support
Priority support on Custom Plan
"Priority support"
Support
Dedicated account manager on Custom Plan
"Dedicated account manager"

What AI21 Labs does

AI21's Forward-Deployed Researchers post-train models and harnesses for a customer's task, with serving managed by AI21 or deployed in the customer's environment. The pricing page also lists pay-as-you-go Jamba Mini and Jamba Large model APIs with a 7-day trial.

Good for
Companies that want a model post-trained on their own proprietary data, and developers or businesses wanting usage-priced long-context model APIs.
Channels
API, SDK
Main product
Lab-as-a-service model post-training, plus Jamba Mini and Jamba Large foundation model APIs
Also includes
Evaluation suite built from real tasks, Model and harness training, Serving managed by AI21 or deployed in customer environment, Foundation model APIs & SDK, Unlimited seats on Pay As You Go, Volume discounts and premium API rate limits on Custom Plan
Public API
Yes
MCP server
Not stated
  • Public API accessFoundation model APIs & SDK
  • Long context windowThe most powerful and efficient long context model
  • Fine-tuning supportDrawing on 5 years of experience with a wide range of on- and off-policy training methods, our FDRs develop th
  • Tool and function callingNot stated
  • Image and audio inputNot stated
  • SOC 2 complianceNot stated
  • Zero data retention optionWe keep no copies of your data.
  • VPC or on-prem deploymentTraining, evals and serving run in your VPC or on-premise.

The same 8 checks appear on every tool in Large language models. Each tick quotes the vendor's own site.

Security and your data

QuestionTheir answerWhere it says so
Trains AI on your data?no"Unless otherwise agreed in writing, AI21 will not use your Customer Data to train AI21’s foundational or generally available AI models."terms
HIPAA (signs a BAA)Not stated
SOC 2Not stated
GDPRNot stated
CCPANot stated
PCINot stated
ISO 27001Not stated
Single sign-onNot stated
Trust centerTrust Center linked in footer"Trust Center"home

Security answers are the vendor's own claims, quoted. We don't audit them.

Every plan

PlanMonthlyBilled yearlyIncludedOver the allowanceWhere it says so
Free Trial – – 10 dollars of credits for 7 days – "$10 credits for 7 days."
Pay As You Go – – Unlimited – "Access all features through usage-based pricing."
Jamba Mini input tokens/ 1M input tokens $0.20per minute – – – "$0.2 / 1M input tokens"
Jamba Mini output tokens/ 1M output tokens $0.40per minute – – – "$0.4 / 1M output tokens"
Jamba Large input tokens/ 1M input tokens $2per minute – – – "$2 / 1M input tokens"
Jamba Large output tokens/ 1M output tokens $8per minute – – – "$8 / 1M output tokens"
Custom Plan Quote – – – "For companies looking to scale and those that require custom implementation or dedicated s"

Fine print

Billing increment
Not stated
Billed beyond usage
Not stated
Contract
Not stated
Refunds
Not stated
Auto renew
Not stated
Price change notice
AI21 may change fees prospectively with prior notice as required by applicable law or any separate agreement
"AI21 may change its fees and introduce new charges on a prospective basis, with prior notice as required by applicable Law or any Separate Agreement."

"Not stated" means we read their pricing page and terms and they don't say.

About the company

Legal name
AI21 Labs Ltd.
Address
Tel Aviv, Israel
Online since
Mar 24, 2014
Domain registration date

AI21 Labs alternatives

Reviews elsewhere

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Questions

Is AI21 Labs free?

There's no free plan. Free trial: $10 credits for 7 days, no credit card needed.

Does AI21 Labs train AI on your data?

No, according to AI21 Labs: "Unless otherwise agreed in writing, AI21 will not use your Customer Data to train AI21’s foundational or generally available AI models."