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Decisions API reaches general availability with a 400-question request limit

On 22 October 2026, OpenAI announced general availability of the Decisions API with gpt-6-luna. Businesses using the API can now submit more questions per request.

1 min read Source: developers.openai.com

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What changed: The Decisions API is generally available with gpt-6-luna. The maximum number of questions per request has risen from 200 during public beta to 400.

Who is affected

The source does not identify business types or sectors; the update concerns use of the Decisions API.

What it means for your business

For businesses using the Decisions API, this means more questions can be submitted in a single request.

What to do

Check how many questions your Decisions API integration sends per request; assess your question batches against the new limit.

When it takes effect

The announcement dated 22 October 2026 states that general availability has begun.

Source: https://developers.openai.com/api/docs/changelog#2026-10-22

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