[Release] openai/openai-agents-python v0.18.0: v0.18.0

OpenAI Agents Python v0.18.0 updates the default model for RealtimeAgent to gpt-realtime-2.1, adds Unicode storage support to SQLAlchemySession, and fixes visualization styling for handoff nodes. This release enhances real-time agent capabilities and improves session management flexibility. The update maintains backward compatibility while introducing new features for better agent configuration and data handling.

Key Points

• •RealtimeAgent default model upgraded to gpt-realtime-2.1 for improved real-time capabilities
• •SQLAlchemySession now supports Unicode storage option for better internationalization and character encoding
• •Visualization fix: handoff nodes now properly merge style attributes to preserve fillcolor
• •Breaking change: Existing RealtimeAgent implementations will automatically use the new gpt-realtime-2.1 model
• •Enhanced session management with Unicode support enables broader language and character set compatibility
• •Visualization improvements ensure consistent styling across agent workflow diagrams
• •First-time contributor @comp added to the project with visualization enhancements

Workflow Diagram

Concepts