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Anthropic

Elevated errors for multiple models

Partial outage Lasted 4h 16m · started · Anthropic's page

Level
confirmed
Worst impact
Partial outage
Down Index
46of 100

What to do

  • Check whether your product depends on Anthropic. 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 16m it lasted.

    Anything that failed between 2026-07-16 18:36 UTC and 2026-07-16 22:53 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 6

  1. investigating

    We are investigating elevated errors on requests to multiple models. We will provide an update as soon as possible.

    provider

  2. identified

    We have identified the cause of elevated errors on requests to multiple models, and are working to resolve this issue. We will provide an update as soon as possible.

    provider

  3. identified

    We are continuing to work to resolve issues resulting in elevated errors on requests to some Anthropic models. We will provide additional updates as soon as possible.

    provider

  4. identified

    At this time, we are seeing recovery on requests to most models. We are continuing to see elevated errors on requests to Claude Fable 5 and Mythos 5, and are working to resolve these remaining issues. We will provide an additional update as soon as possible.

    provider

  5. monitoring

    We have seen success rates recover and are continuing to monitor closely to ensure no further issues. We will provide an additional update shortly.

    provider

  6. resolved

    This issue has been resolved. From 11:30am PT / 18:30 UTC through to 3:15pm PT / 22:15 UTC some users experienced elevated errors on requests to Claude Models. Most errors were experienced within the first hour of the impact window.

    provider

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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-41024c5b5a

Is Anthropic still down?

No, this incident was resolved 2026-07-16 22:53 UTC. For Anthropic's live state, see https://down.guide/anthropic.

How long did it last?

4h 16m, from 2026-07-16 18:36 UTC to 2026-07-16 22:53 UTC, by the times Anthropic posted.

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.