assistants api

The Responses API’s real value is that it gives an application a single control plane for model output, tool calls, and follow-up work—but the August 10 explainer from Analytics Insight presents a year-old platform shift as if these capabilities have just arrived. OpenAI launched Responses API...

If a Foundry Agent Service (classic) workload depends on Assistants API behavior, migrate that dependency before the Assistants API retires on August 26, 2026; classic itself retires later, on March 31, 2027, and does not have an earlier platform-wide migration cutoff. Two Retirement Dates, One...