Driftwatch

OpenAI / OpenAI API /

Additive

Response field tool_usage added

What changed

No action needed unless you validate responses against a closed schema.

Affects Response reachable from 3 operations.

Who is affected

Code that reads OpenAI's Response objects, used by 3 OpenAI operations.

Before and after

WhereBeforeAfter
Response.tool_usageabsentpresent

Based on OpenAI’s published API specification. How severity is decided.