OpenAIAI
InfoCapability
OpenAI Agents SDK: Native Sandbox & Model-Native Harness Released
AI Impact Summary
OpenAI is releasing a significant update to the Agents SDK, introducing native sandbox execution and a model-native harness. This enables developers to build more robust and secure long-running agents that can seamlessly operate across files and tools. This capability expands the use cases for the Agents SDK and allows developers to create more complex and sophisticated agent applications.
OpenAI Agents SDK: Native Sandbox & Model-Native Harness Released
Affected Systems
Agents SDK
Business Impact
Developers can now build more powerful and versatile agent applications using the updated Agents SDK.
Models affected
- Date
- 15 Apr 2026
- Change type
- capability
- Severity
- info