Unverified50% confidenceFactExact time
Switching the same OpenAI Agents SDK Agent from the default Responses API to Chat Completions reduced format-error answers from 41 to 9, and switching to a public grounding system prompt reduced them to 20, indicating that API defaults are the main cause of format drift.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/17/2026
First Seen
Valid until: 1/15/2027
Sources
Related Entities
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