release
OpenAI SDK v2.28.0
March 13, 2026
v2.28.0, released on 2026-03-13, adds an API feature for custom voices. The change is notable because it exposes voice customization through the API, extending control for applications built on the platform.
2.28.0 (2026-03-13) Full Changelog: v2.27.0...v2.28.0 Features api: custom voices ( 50dc060 )
Source: github.com