Anthropic reports multiple service issues

Anthropic is dealing with 3 concurrent service issues — tracked live below.

By The Downtime · Aug 16, 2026 · 10:01 PM ·Updated 5 days ago

Anthropic is investigating a service disruption affecting user authentication across claude.ai, Claude Code, and Claude Cowork. The company has designated the incident as critical and is currently investigating the root cause.

AnthropicBuilds Claude, an AI assistant used by millions of developers, researchers, and enterprise users for code generation, analysis, and other tasks.

The company first acknowledged the authentication issue and committed to providing updates as the investigation progresses. No timeline for resolution has been provided.

This is a developing story. The Downtime will update as more information becomes available.

⚠️ Issues being tracked (3)

Service disruption on Claude services

Resolved

source ↗

Service disruption on Claude services

Investigating

source ↗

Degraded performance for Claude Opus 5

Resolved

source ↗

🕒 Live updates (10)

resolved Degraded performance for Claude Opus 5,... Aug 17, 3:29 PM

This incident has been resolved.

monitoring Degraded performance for Claude Opus 5,... Aug 17, 2:39 PM

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

investigating Degraded performance for Claude Opus 5,... Aug 17, 2:25 PM

Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.

investigating Degraded performance for Claude Opus 5 Aug 17, 1:56 PM

We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.

investigating Degraded performance for Claude Opus 5,... Aug 17, 1:56 PM

We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.

resolved Service disruption on Claude services Aug 16, 10:34 PM

The issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork has been resolved.

monitoring Service disruption on Claude services Aug 16, 10:22 PM

A fix has been deployed for the issue affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork and we are monitoring for recovery.

investigating Service disruption on Claude services Aug 16, 10:07 PM

We are investigating reports of degraded performance affecting claude.ai and platform.claude.com. We will provide an update as soon as possible.

investigating Service disruption on Claude services Aug 16, 10:02 PM

We are investigating reports of degraded performance affecting claude.ai, platform.claude.com, the Claude API, Claude Code, and Claude Cowork. We will provide an update as soon as possible.

investigating Service disruption on Claude services Aug 16, 9:58 PM

We are investigating an issue with users authenticating to claude.ai, Claude Code, and Claude Cowork. We will provide an update as soon as possible.

📎 Sources

Anthropic status ↗

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.

💬 Comments (0)

No comments yet — be the first to weigh in.

Join the conversation.

Anthropic reports multiple service issues

⚠️ Issues being tracked (3)

🕒 Live updates (10)

📎 Sources

💬 Comments (0)

More outages

Scaleway reports multiple service issues

Elastic Investigating Elevated Error Rates in Managed OTLP Service

Anthropic reports multiple service issues

Vercel Reports Issue With New Container Functions Returning 5XX Errors