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AI21 API

AI21's first-party platform for its language models and documented enterprise AI APIs.

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Provider profile

The facts, with sources.

Provider typeofficial
Pricing modelUsage-based pricing depends on the selected AI21 model and API.
Markup notesFirst-party published pricing; not a resale markup.
OpenAI compatibilityunknown
General OpenAI API compatibility has not been verified from the official documentation for this profile.
Model supportAvailable models and task-specific APIs are listed in AI21's documentation.
Payment methodsNot verified
Supported regionsNot verified — check official availability documentation
Billing currenciesNot verified
Last reviewed2026-10-24 UTC

Verified considerations

Documented advantages

  • Provides first-party access to AI21 models and APIs.
  • Publishes model documentation and pricing.

Limitations to check

  • Model availability and API features are specific to AI21's platform.
  • OpenAI API compatibility is not established by this profile.

Official sources

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