Act on this, mostly signal

OpenAI Decisions API becomes generally available to all customers

What to do

Test the Decisions API if you need a fast, cheap decision model, since it is now generally available.

Why

It launched as a developer day announcement on September 29 and became GA on October 22.

What the research found

TechCrunch reports OpenAI's Decisions API, announced at Developer Day September 29, became generally available to all customers on October 22, 2026, built on reconfigured ChatGPT Luna; Speak cut action time from 1.4 s to 0.13 s. Primary source for this story.

Claims and how well the evidence supports them

Decisions API announced at Developer Day on September 29, 2026 (date not confirmed by claim check) 39%
Decisions API became generally available to all customers on October 22, 2026 4%
Built on reconfigured ChatGPT Luna 97%
Speak reported action time cut from 1.4 s to 0.13 s 99%

Evidence

techcrunch.com https://techcrunch.com/2026/10/22/openai-makes-its-jev-competitor-widely-available-as-decision-model-competition-heats-up

Actionability rated medium.