OpenAI Python SDK migrates from httpx to HTTPX2

OpenAI's Python SDK now uses HTTPX2 as its sync and async HTTP client, auto-installed with the SDK, while httpx is no longer bundled. The change also switches TLS trust from certifi, affecting default-client users.

2026-08-29 ~ 2026-08-29 · 2 related posts

• OpenAI Python SDK migrates to HTTPX2, drops httpx dependency — mitsuhiko · 2026-08-29
• OpenAI Python SDK Switches to HTTPX2, Changing TLS Trust Store — petrusenko_max · 2026-08-29