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AI21 Studio

Model API

by AI21 Labs

Hosted developer platform providing API/SDK access to AI21's Jamba foundation models with metered token pricing, a playground, file library, and web/file search tools.

Find alternatives to AI21 Studio

Pay As You Go, billed per token: Jamba Mini $0.2 / 1M input tokens and $0.4 / 1M output tokens; Jamba Large $2 / 1M input and $8 / 1M output (www.ai21.com/pricing/). 'Free Trial: $10 credits for 7 days. No credit card needed' — a time-limited trial, not a persistent free tier, so 'free' is not in models. 'Custom Plan' (volume discounts, premium API rate limits, private cloud hosting, dedicated account manager) is Contact Sales.

What it does

• Text generation
• Model inference
• Knowledge retrieval
• Document extraction
• Search answers

How it compares

• OpenAI API

  If we lose deals, it's to OpenAI, mostly.

  News reporting · 19 Sep 2026

Sources

Pricing

Pricing page · 5 Sep 2026

H1 'Pricing': 'Start with a free trial, no credit card required, then pay based on usage.' Foundation Models table: Jamba Mini $0.2 / $0.4 per 1M tokens, Jamba Large $2 / $8.

What it does

Official documentation · 5 Sep 2026

Docs index confirms Jamba chat API, File Library, File Search, Web Search, and MCP/HTTP tool pages under the Studio/developer-platform docs tree.

Sold within

Pricing page · 15 Sep 2026

Live re-check 2026-09-15: ai21.com/pricing presents usage-based pricing, a no-card free trial and a custom Contact Sales plan, each a standalone purchase option with no parent offering/prerequisite.

Name

Official documentation · 5 Sep 2026

Status page still titled 'AI21 Studio Status' and lists 'Studio Platform' as a monitored component; the ai21.com/pricing sign-up CTA also reads 'studio.ai21.com'. Internal docs now also refer to the umbrella product as the 'AI21 Developer Platform' (docs.ai21.com/docs/overview) -- branding is in transition, both names in current use.

URL

Pricing page · 5 Sep 2026

The url is the pricing page because it is the only page on ai21.com that both NAMES the product — 'With AI21 Studio's models, an average token corresponds to 1 word or 6 characters of English text' — and prices it. /developer-hub/ is a links-and-cookbooks page titled 'AI21 Developer Resources'; studio.ai21.com 302s to the homepage; docs.ai21.com is headed 'Welcome to AI21 Labs' and never says Studio. Re-verified 2026-09-05: HTTP 200 (www.ai21.com/pricing 301s to /pricing/), the sentence is on the page.

Interfaces

Official documentation · 29 Sep 2026

Pricing page lists the Pay-As-You-Go tier as 'Foundation model APIs & SDK'.

Also from AI21 Labs

• AI21 Maestro Agent platform

  Planning system that runs multi-step tasks against a company's own data and validates the output against stated requirements.

• AI21 Intelligent Gateway API service

  A drop-in endpoint that sits in front of an agent's model calls and cuts token spend — adaptive routing, context compaction, trajectory-aware savings decisions and caching — while validating output quality against coding benchmarks.

• AI21 Post-Training Data service

  A dedicated model-customization service in which AI21 trains specialized models on a client's own data, with methodology transfer so the client can run subsequent training rounds in-house.

Open AI21 Labs in the directory

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