Outage in Anthropic

Elevated errors on Claude Haiku 4.5

Resolved Minor

March 07, 2026 - Started 3 days ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

Anthropic experienced elevated error rates with Claude Haiku 4.5 between 5:35-6:44 PT (13:35-14:44 UTC) on March 7, 2026. The issue affected both claude.ai and api.anthropic.com services for approximately 1 hour and 9 minutes. The service has been restored to baseline error rates.

We are currently investigating this issue.

Components affected

Anthropic claude.ai Anthropic api.anthropic.com

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Latest Updates ( sorted recent to last )

RESOLVED 3 days ago - at 03/07/2026 04:58PM

Today between 5:35 PT / 13:35 UTC and 6:44 PT / 14:44 UTC Haiku 4.5 had an elevated error rate. We are now at the baseline error rate.

INVESTIGATING 3 days ago - at 03/07/2026 01:58PM

We are currently investigating this issue.

Latest Anthropic outages

Claude Desktop app unresponsive - 2 days ago

Filesystem connector missing from Claude Desktop - 4 days ago

Elevated TCP three-way handshake failures on api.anthropic.com - 4 days ago

Elevated errors on Claude Haiku 4.5 - 6 days ago

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