OpenAIAI
MediumCapability
OpenAI introduces agent runtime with Responses API
Action Required
Developers can now build more sophisticated applications leveraging the power of OpenAI's models with the ability to interact with external tools and data.
AI Impact Summary
OpenAI is introducing a new agent runtime built on the Responses API, enabling developers to create secure, scalable agents with access to files, tools, and state. This capability expands the utility of the Responses API beyond simple text completion, opening up possibilities for complex, interactive applications. Developers will need to understand the new agent runtime architecture and how to integrate it into their existing workflows.
OpenAI introduces agent runtime with Responses API
Affected Systems
Responses API
- Date
- 11 Mar 2026
- Change type
- capability
- Severity
- medium