Anthropic deprecating Claude Sonnet 4 and Claude Opus 4 — migrate to 4.6 and 4.7

AI Impact Summary

Anthropic is sunsetting Claude Sonnet 4 and Claude Opus 4, requiring immediate action to avoid service disruption. The models will be unavailable on the Claude API starting June 15, 2026. Users should prioritize migrating to the newer Claude Sonnet 4.6 and Claude Opus 4.7 models to maintain functionality and avoid performance degradation.