Elevated errors affecting Claude Sonnet 4.6 and Opus 4.8 were investigated starting 00:47 UTC. By 01:52 UTC Sonnet 4.6 had recovered while Opus 4.8 required further work, with full resolution by 02:50 UTC on June 17.
Elevated errors on Claude Sonnet 4.6 and Opus 4.8
calendar_today
June 17, 2026
domain
claude