OpenAI News ยท April 22, 2026

Speeding up agentic workflows with WebSockets in the Responses API

Why it matters

A deep dive into the Codex agent loop, showing how WebSockets and connection-scoped caching reduced API overhead and improved model latency.

My takeaway: A deep dive into the Codex agent loop, showing how WebSockets and connection-scoped caching reduced API overhead and improved model latency.