Release
OpenAI Decisions API release date
OpenAI announced the Decisions API at DevDay on 2026-09-29. It is in limited preview, and a broader release was described as coming in days — but no dated general-availability release has been published.
Last checked
Timeline so far
The Decisions API accepts context, a question, and a finite set of developer-defined answers, and returns an answer plus confidence and probabilities. That is the published scope of the announcement.
| Date | Event |
|---|---|
| 2026-09-29 | Announced at OpenAI DevDay; described as a limited preview running a specialized GPT-6 Luna version |
| 2026-09-29 | Broader availability described as coming in days — no date given |
| 2026-09-30 | This page last checked: no GA announcement, no published pricing, no SDK methods |
What is not published
Any site quoting specific numbers for these is speculating. We update this page when OpenAI publishes more.
- A GA date or rollout schedule
- Pricing for Decisions API calls
- SDK method signatures or request schema
- Rate limits, regions, or SLA
- How preview access is granted
What you can run today
If you need the decision pattern now — finite answers with a probability per option — this site runs an independent endpoint you can call today, served by decisions-1. It takes 1 to 6 typed questions per request. New visitors get 1 free trial decision.
The questions, option sets, and thresholds you build here stay as ordinary data in your codebase — start real calls today.
FAQ
When is the OpenAI Decisions API release date?
No dated release has been published. It was announced 2026-09-29 in limited preview with a broader release described as coming in days.
Is the Decisions API in GA yet?
As of 2026-09-30 it is a limited preview — not generally available. This page is updated when that changes.
Has OpenAI published Decisions API pricing?
No. Pricing, rate limits, regions, and SDK details are all unpublished as of the last check.
What can I use today?
This site runs an independent decision endpoint that follows the same pattern — state plus typed questions in, an answer with per-option probabilities out — served by decisions-1, the model this site runs.
Run a decision today
One free trial decision for new visitors — the same constrained-answer pattern, callable today.