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Agents2026-03-23 · source-backed

OpenAI Responses API Gets Full Computer Environments.

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OpenAI equipped the Responses API with environments where agents run services, query APIs, and produce artifacts within a single call. The phase parameter labels messages as intermediate vs. final. The Assistants API is deprecated and shuts down August 26, 2026 — migration to Responses API is mandatory.

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2026-03-23-openai-responses-api-gets-full-computer-environments
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source-backed, canonical briefing excerpt