Elevated errors on Claude Opus 4.6

What to do

• Check whether you use Anthropic claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code. Check your stack

  Paste a package.json, lockfile, Terraform or a list of domains at down.guide/stack to see every provider you depend on.

• Confirm your retries, queues and scheduled jobs caught up after the 7h 29m it lasted.

  Anything that failed between 2026-03-03 06:59 UTC and 2026-03-03 14:29 UTC may need a replay.

• Subscribe to Anthropic's feed to hear about the next one first. RSS feed

  https://down.guide/feed?provider=anthropic works in Slack (/feed subscribe), Discord feed bots and any RSS reader.

Updates from Anthropic 9

1. investigatingMar 3, 2026, 6:59 AM UTC

   We are currently investigating this issue.

   provider

2. identifiedMar 3, 2026, 8:31 AM UTC

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

   provider

3. monitoringMar 3, 2026, 10:27 AM UTC

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

   provider

4. identifiedMar 3, 2026, 12:00 PM UTC

   The issue is reoccurring, a fix is being implemented.

   provider

5. identifiedMar 3, 2026, 12:59 PM UTC

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

   provider

6. monitoringMar 3, 2026, 2:03 PM UTC

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

   provider

7. monitoringMar 3, 2026, 2:11 PM UTC

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

   provider

8. monitoringMar 3, 2026, 2:29 PM UTC

   We are continuing to monitor for any further issues.

   provider

9. resolvedMar 3, 2026, 2:29 PM UTC

   This incident has been resolved.

   provider

Corrections

None so far.

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