release
OpenAI SDK v2.53.0
August 4, 2026
Version 2.53.0, released 2026-08-03, adds gpt-5.5 and tool name/namespace fields to Responses types. It also fixes CI by avoiding NumPy source builds and duplicate HTTPX coverage, which mainly affects build reliability and SDK type coverage.
2.53.0 (2026-08-03) Features api: Add gpt-5.5 and tool name/namespace to Responses types ( #3569 ) ( dd1202d ) Bug Fixes ci: avoid NumPy source builds and duplicate HTTPX coverage ( #3573 ) ( b58332f )
Source: github.com