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⚠️ Outages Resolved

Anthropic reports multiple service issues

Anthropic is dealing with 5 concurrent service issues — tracked live below.

By The Downtime · Aug 4, 2026 · 9:00 PM ·Updated 2 weeks ago

Anthropic is investigating elevated error rates affecting multiple AI models on its platform, according to the company's status page. The incident is classified as having major impact, with the company currently in investigating status.

Anthropicbuilds large language models and AI services used by developers and enterprises integrating advanced AI capabilities into applications and workflows.

The company posted an initial investigating notice but has not yet provided additional details on the scope, timeline, or suspected cause of the elevated errors.

This is a developing story. The Downtime will update as Anthropic provides more information.

⚠️ Issues being tracked (5)

Elevated errors across many models
Resolved
source ↗
Elevated errors on Claude Sonnet 5
Resolved
source ↗
Elevated errors on Claude Sonnet 5
Resolved
source ↗
Degraded performance on Claude Sonnet 5
Resolved
source ↗
Error rates across multiple models
Resolved
source ↗

🕒 Live updates (14)

resolved Elevated errors across many models Aug 4, 9:59 PM

This issue has been resolved.

investigating Elevated errors across many models Aug 4, 9:04 PM

We have identified an issue which resulted in some users experiencing issues when attempting to log into Anthropic services, including Claude.ai and Claude Code via oAuth. Additionally, some users saw errors when making requests to models. At this time, we have seen success rates recover and are monitoring closely to ensure there are no further issues.

investigating Elevated errors across many models Aug 4, 8:48 PM

We are currently investigating this issue.

resolved Elevated errors on Claude Sonnet 5 Aug 4, 11:52 AM

This incident has been resolved.

monitoring Elevated errors on Claude Sonnet 5 Aug 4, 11:37 AM

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

investigating Elevated errors on Claude Sonnet 5 Aug 4, 11:27 AM

We are currently investigating this issue.

resolved Elevated errors on Claude Sonnet 5 Aug 4, 6:55 AM

This incident has been resolved.

monitoring Elevated errors on Claude Sonnet 5 Aug 4, 6:28 AM

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

investigating Elevated errors on Claude Sonnet 5 Aug 4, 6:16 AM

We are currently investigating this issue.

resolved Degraded performance on Claude Sonnet 5 Aug 3, 3:29 PM

As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.

investigating Degraded performance on Claude Sonnet 5 Aug 3, 3:13 PM

We are currently investigating this issue.

resolved Error rates across multiple models Aug 3, 2:17 PM

This incident has been resolved.

monitoring Error rates across multiple models Aug 3, 1:30 PM

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

investigating Error rates across multiple models Aug 3, 12:52 PM

We are currently investigating this issue.

📎 Sources

Outage details are aggregated from official provider status pages. The Downtime reports them as a public service and is not affiliated with the providers named.

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