OpenAI Agents Python SDK v0.20.0 Updates Default Model & Improves Capabilities
sdkaigaengineerpython-agentic
breaking feature patch
OpenAI Agents Python SDK v0.20.0 is a minor release introducing several enhancements and a potentially breaking change. The default model for agents has been updated to `gpt-5.6-luna`, impacting developers not explicitly specifying a model. This version also introduces support for durable user input via `RunState.add_input()` and GA transcription settings for `gpt-live-transcribe`. A breaking change may affect applications with customized local HTTP transports due to an MCP dependency migration; these users can migrate to `httpx2` or pin `mcp<2`.
Read the original announcement →
https://github.com/openai/openai-agents-python/releases/tag/v0.20.0
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