Responses API

Latest developments

OpenAI promised developers six months’ notice. GPT-4o users got three. The New Stack · 3 days ago · 37 Jev, an AI for making quick decisions, has been a viral hit. But OpenAI is hot on its heels Fortune · 15

GPT-6 Astra aced the hardest AI benchmark. The asterisk matters more than the score. The New Stack · 1 month ago · 34 Building with the GPT-5 Model Series: A Practical Guide OpenAI · 9 months ago · 23

Q4 2026

◆ OpenAI launched a public beta Decisions API that returns structured, typed outputs from text and images Model release

• 15 Oct OpenAI promised developers six months’ notice. GPT-4o users got three.
• 8 Oct Jev, an AI for making quick decisions, has been a viral hit. But OpenAI is hot on its heels

Q3 2026

◆ OpenAI released GPT-6 Astra, its flagship AI model, along with evaluation results, a system card, and related updates to how the model is benchmarked and priced Model release

• 3 Sep GPT-6 Astra aced the hardest AI benchmark. The asterisk matters more than the score.

Q1 2026

◆ OpenAI published guides for using GPT-5 for workplace workflows and for building GPT-5–based agent systems via the Responses API Feature update

• 15 Jan Building with the GPT-5 Model Series: A Practical Guide

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Products & technology

• OpenAI supplies this tool · 1 source
• OpenAI integrated with this tool · 1 source