- Level
- confirmed
- Worst impact
- Partial outage
- Down Index
- 41of 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 37m it lasted.
Anything that failed between 2026-05-29 18:35 UTC and 2026-05-29 19:12 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 3
- investigating
We are investigating elevated errors on requests to Claude Opus 4.8. We will provide an update as soon as possible.
provider
- monitoring
A fix has been deployed for Claude Opus 4.8 and success rates have returned to normal. Users saw elevated errors on requests to the model from 18:16–18:42 UTC.
provider
- 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-d212eddc17
Is Anthropic still down?
No, this incident was resolved 2026-05-29 19:12 UTC. For Anthropic's live state, see https://down.guide/anthropic.
How long did it last?
37m, from 2026-05-29 18:35 UTC to 2026-05-29 19:12 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.