Blog
Letters for builders moving Agents from local experiments into production systems.
A letter to builders on moving Agent Work from local experiments toward a Cloud Agent Session Lifecycle API.
OpenAI's Responses API brings state, compaction, tool programs, WebSocket continuation, and multi-agent coordination into one model runtime. Here is what changed—and what still belongs to the application.
Local coding agents showed what models can do with a real environment. The next cloud abstraction is a managed agent task: work in, progress and artifacts out.