OpenAI updates Agents SDK with new sandbox support for safer AI agents

THE DECODER / 4/16/2026

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Key Points

  • OpenAI has released a major update to its Agents SDK, introducing native sandbox support for safer execution of AI agents.
  • The new capabilities allow agents to perform actions such as checking files and writing code within isolated environments.
  • Developers can use the update to build more capable agents that handle complex tasks while reducing risk from unsafe or uncontrolled operations.
  • OpenAI also added new tools alongside sandboxing to expand what developers can implement in agent workflows.

OpenAI has shipped a major update to its Agents SDK, adding native sandbox support and new tools. Developers can now build AI agents that check files, write code, and handle complex tasks in isolated environments.

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