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Outage in Anthropic

Delayed response completion on Claude.ai

Resolved Minor
March 22, 2026 - Started 28 days ago - Lasted about 2 hours
Official incident page

Incident Report

Summary AI Generated

Claude.ai experienced delayed response completion where messages would hang for approximately 5 seconds after text finished streaming, starting around 20:00 UTC on March 20. The issue only affected the Claude.ai web interface while the Anthropic API continued to function normally. The incident was resolved after 2 hours once the issue was identified and a fix was implemented.

Since approximately 20:00 UTC / 13:00 PT on Friday, March 20, Claude.ai responses may appear to "hang" for around 5 seconds after the text has finished streaming before the message completes. The Anthropic API is not affected.
Components affected
Anthropic claude.ai

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Latest Updates ( sorted recent to last )
RESOLVED 28 days ago - at 03/22/2026 01:13PM

As of 13:02 UTC / 06:02 PT this incident has been mitigated.

IDENTIFIED 28 days ago - at 03/22/2026 12:34PM

The issue has been identified and a fix is being implemented.

INVESTIGATING 28 days ago - at 03/22/2026 11:14AM

Since approximately 20:00 UTC / 13:00 PT on Friday, March 20, Claude.ai responses may appear to "hang" for around 5 seconds after the text has finished streaming before the message completes. The Anthropic API is not affected.

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