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Anthropic

Elevated error rate on multiple models

Partial outage Lasted 4h 34m · started · Anthropic's page

Level
confirmed
Worst impact
Partial outage
Components
claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, Claude Cowork
Down Index
63of 100

What to do

  • Check whether you use Anthropic claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code and 1 more. 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 4h 34m it lasted.

    Anything that failed between 2026-05-22 04:16 UTC and 2026-05-22 08:50 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 7

  1. investigating

    We are currently investigating this issue.

    provider

  2. identified

    We have identified an issue resulting in elevated error rates, primarily on Claude Opus 4.7 and Sonnet 4.6. We are working to resolve these issues, and will provide additional updates as soon as possible.

    provider

  3. identified

    We are continuing to work to fully resolve issues impacting Claude Opus 4.7, and Sonnet 4.6. At this time, success rates on Claude Opus 4.7 have stabilized. We will provide additional updates shortly.

    provider

  4. monitoring

    We have seen success rates on Claude Opus 4.7 and Sonnet 4.6 return to normal. We are monitoring closely to ensure no further issues, and will provide an additional update shortly.

    provider

  5. monitoring

    We are currently working to resolve some additional errors impacting Claude Opus 4.7 and Haiku 4.5, we will provide an additional update shortly.

    provider

  6. monitoring

    We are monitoring recovery on Claude Opus 4.7, and working to fully resolve remaining errors impacting Haiku 4.5. We will provide additional updates shortly.

    provider

  7. resolved

    This issue has been resolved.

    provider

Reports count in aggregate; nothing about you is shown.

Corrections

None so far.

Something wrong on this page? Report an error or send us a note. Every fix is listed here.

Questions about DWN-6a97a286a2

Is Anthropic still down?

No, this incident was resolved 2026-05-22 08:50 UTC. For Anthropic's live state, see https://down.guide/anthropic.

How long did it last?

4h 34m, from 2026-05-22 04:16 UTC to 2026-05-22 08:50 UTC, by the times Anthropic posted.

What was affected?

Anthropic named claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code and 1 more.

What caused it?

Anthropic hasn't published a root cause. If it does, it shows here.

Where does this come from?

Anthropic's official status page, https://status.claude.com, quoted verbatim. down.guide's own probes, reports and social counts are labeled as ours.