Anthropic outage: Elevated errors for Opus 5

Affected components

• Claude API (api.anthropic.com)
• Claude Code
• Claude Console (platform.claude.com)
• Claude Cowork
• claude.ai

1. resolvedJul 26, 2026, 10:44 UTC

   This incident has been resolved.

2. monitoringJul 26, 2026, 10:34 UTC

   A fix has been implemented and we are monitoring the results.

3. identifiedJul 26, 2026, 10:28 UTC

   We are continuing to work on a fix for this issue.

4. identifiedJul 26, 2026, 09:45 UTC

   The issue has been identified and a fix is being implemented.

5. investigatingJul 26, 2026, 09:17 UTC

   We are currently investigating this issue.

What APIStatus.watch saw

Our 5-minute checks didn't record a change in Anthropic's overall status around this incident. Smaller or regional incidents often leave a provider's overall status green.

Other services with incidents at the same time

Overlapping incidents aren't necessarily related.

• Twilio: Voice Call Failures from Twilio Phone Numbers to Reliance Jio IndiaMinor · Jul 17, 2026, 15:54 UTC
• Twilio: SMS Delivery Receipt Delays from Twilio to Claro GuatemalaMinor · Jul 24, 2026, 23:13 UTC
• Twilio: SMS Delivery Failures from Network Subscribers to a Subset of Twilio United States Short CodesMinor · Jul 25, 2026, 00:46 UTC
• Twilio: SMS Delivery Delays from Twilio to Lycamobile United KingdomMinor · Jul 26, 2026, 05:44 UTC

How often does Anthropic have incidents?

Anthropic reported 45 incidents in the last 90 days, 26 of them major or critical. A typical incident lasted 1h 13m. See Anthropic's uptime and incident history