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OpenAI Responses API Gets Container Pool for 10x Faster Agent Workflows

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OpenAI's Responses API now includes a container pool so requests reuse warm infrastructure for agent tool execution. Previously, each request using skills, shell, or code interpreter required a full container creation each session. With the pool in place, containers spin up about 10x faster.

This matters for developers building multi-step agent workflows. Container startup overhead added latency at every step — shell commands, code interpreter sessions, and skill-based tasks all waited for fresh containers. Reusing warm containers keeps the agent loop tighter and more responsive.

Build agent workflows against the Responses API with shell, skills, or code interpreter — the container pool is live now, and requests reuse warm infrastructure by default.

View the full update on developers.openai.com
OpenAI Developers
OpenAI Developers
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Agent workflows got even faster. You can spin up containers for skills, shell and code interpreter about 10x faster. We added a container pool to the Responses API, so requests can reuse warm infrastructure instead of creating a full container creation each session. https://t.co/lmvwsaf5HN

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