Unverified50% confidenceSolutionExact time
Retiring an old model means more than just switching API endpoints — it may also trigger regression testing, prompt rewriting, and business logic adjustments, because different versions differ in instruction-following style, output length tendencies, and tool-calling behavior.
1
Sources
50%
Confidence
Long-term
Relevance
9/30/2026
First Seen
Sources
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