v1.108.1

Breaking Changes

📅 Sep 19, 2025📦 openai-python-sdkView on GitHub →

⚠ 1 breaking✨ 1 features🔧 3 symbols

Summary

This release introduces the reasoning_text field to the API and updates internal type handling for optional parameters from NotGiven to Omit.

⚠️ Breaking Changes

The internal type for optional parameters has changed from 'NotGiven' to 'Omit'. This may break code that explicitly imports or performs type-checking against the 'NotGiven' sentinel for these specific parameters.

Migration Steps

Update any type hints or logic that relies on the 'NotGiven' type for optional parameters to accommodate the 'Omit' type.

✨ New Features

api: Added support for 'reasoning_text' in API responses.

🔧 Affected Symbols

NotGivenOmitreasoning_text