Anthropic Resolves Service Disruption Affecting Claude Opus 4.6
Key Takeaways
- ▸Claude Opus 4.6 experienced elevated error rates across all Anthropic platforms on March 2, 2026, affecting claude.ai, the Claude API, and Claude Code
- ▸The incident was resolved within approximately 75 minutes from initial detection to full resolution
- ▸Anthropic maintained public transparency with regular status updates throughout the incident response process
Summary
Anthropic experienced a service incident on March 2, 2026, affecting its Claude Opus 4.6 model across multiple platforms. The incident, which caused elevated error rates, impacted claude.ai, the Claude API, platform.claude.com, and Claude Code. The company's engineering team identified and resolved the issue within approximately 75 minutes of initial detection.
The incident began at 14:35 UTC when Anthropic's monitoring systems detected elevated errors specifically related to Claude Opus 4.6, its flagship model. The company immediately began investigating the root cause and publicly acknowledged the issue through its status page. After identifying the problem at 14:42 UTC, engineers implemented a fix by 15:49 UTC and continued monitoring the service before declaring the incident resolved at 15:50 UTC.
The outage affected users across Anthropic's entire Claude ecosystem, including both consumer-facing applications and developer API endpoints. While the company has not disclosed the specific technical cause of the elevated errors or the exact nature of the fix implemented, the rapid resolution suggests the team had effective incident response procedures in place. Anthropic maintained transparency throughout the incident by providing regular status updates to users via its public status page.
- The outage impacted both consumer and enterprise users accessing Claude services during the incident window
