OpenAI Python SDK Migrates to HTTPX2 for HTTP Clients
August 28, 2026
The OpenAI Python SDK now utilizes HTTPX2 for both synchronous and asynchronous clients, replacing the previous httpx dependency. While default client usage remains backward compatible, HTTPX2 introduces a new default TLS trust store and requires explicit dependency management if httpx was previously used transitively.
HOW THIS AFFECTS YOU
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builderYou may need to update your dependency tree or TLS certificate handling to avoid breaking changes.