openai-python v3.25.0 released with agent and tool features
openai-python v3.25.0 (2026-10-06) adds agent and tooling changes: agents observe local tool failures and can run local tools during streamed session creation; API, lib, and tool helpers updated.
What changed
v3.25.0: agents observe local tool failures; run local tools during streamed session creation; API adds agent turn items and usage source grouping; lib exports type_to_response_format_param; tools support tool search (defer_loading=true).
Why it matters
Developers can detect and handle local tool failures, run local tools in streamed sessions, and use a public response-format type helper to improve agent integrations and debugging.
Who should care
DevelopersEnterprises
Worth trying
Yes — If you build agents or use typed tool helpers and need local tool handling.