Driftwatch

OpenAI / OpenAI API /

Additive

Response field input_cache_write_30m_tokens added

What changed

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

Affects DecisionsUsageResult reachable from 1 operation.

Who is affected

Code that reads OpenAI's DecisionsUsageResult objects, used by 1 OpenAI operation.

Before and after

WhereBeforeAfter
DecisionsUsageResult.input_cache_write_30m_tokensabsentpresent

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