Claude Opus 5.5 docs add migration guide and quality notes
Docs now point users on Claude Opus 5 or earlier to a Claude Opus 5.5 migration guide and note larger performance gains when migrating from prior generations. Mostly editorial, but signals a model generation transition.
Impact Assessment
Alternative models
Directional candidates based on stored listed rates and editorial scenario tags; validate quality and current terms before switching
Significant cost savings • Similar use cases
Good value alternative • Similar use cases
Significant cost savings • Similar use cases
Significant cost savings • Similar use cases
Significant cost savings • Similar use cases
Sources
Once you've picked a model, learn how to make your first API call . To understand how model IDs, aliases, and snapshots work, see Model IDs and versioning ; for the reliable-knowledge and tr...
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