Claude outage flare‑up
Anthropic experienced a brief service flare‑up on March 27 following a larger global outage on March 11 that disrupted website, code platform and app access worldwide (news.abplive.com)(cxodigitalpulse.com). As demand for big‑context models and interactive apps rises, reliability has surfaced repeatedly as a pain point for users and enterprises (cxodigitalpulse.com).
Anthropic’s official status page logged an incident on Mar. 27 labelled “Elevated errors on Claude Opus 4.6 and Sonnet 4.6” and shows the event as identified and resolved by 00:49 UTC that day. (status.claude.com) News outlets tracking the March activity counted that Mar. 27 disruption as at least the fifth reported Claude service incident in March, with one report noting ~120 user flags and a breakdown of about 42% of complaints affecting Claude Chat and 27% affecting Claude Code. (businesstoday.in) A detailed timeline of the larger March outage shows user reports arriving as early as 13:56 UTC on March 11, with Anthropic posting an official acknowledgement at 14:44 UTC. (statusgator.com) Outage-tracking sites registered large surges: one contemporaneous account recorded more than 1,400 concurrent Downdetector reports during the March incident, while other trackers reported peaks in the thousands and even figures above 10,000 affected users. (awesomeagents.ai) Developer-facing services were hit specifically — OAuth/login routes inside Claude Code failed and left some developers unable to authenticate mid-session, according to incident updates and reporting. (awesomeagents.ai) Anthropic told reporters the outages primarily affected consumer-facing surfaces while its business-facing Claude API remained operational, and the company attributed the recent strain to “unprecedented demand” and record signups during the period. (sea.mashable.com) Anthropic’s incident history also records operational side effects during outages — including delays to billing, customer balance updates, and auto-recharge invoices — that the company logged while resolving service errors. (status.claude.com)
