OpenAI Developer Blog
API blog posts
Oct 14
Designing failover across OpenAI model providers
Why direct OpenAI access matters for previews and critical workloads.
API
Mar 11
From prompts to products: One year of Responses
Five stories from developers building agentic products with the Responses API in its first year.
API
Feb 11
Shell + Skills + Compaction: Tips for long-running agents that do real work
Practical patterns for building with skills, hosted shell, and server-side compaction in the Responses API.
API
Sep 22
Why we built the Responses API
How the Responses API unlocks persistent reasoning, hosted tools, and multimodal workflows for GPT-5.
API