Outage in Anthropic
Delayed response completion on Claude.ai
Resolved MinorIncident 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
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Latest Updates ( sorted recent to last )
RESOLVED
about 20 hours ago - at 03/22/2026 01:13PM
As of 13:02 UTC / 06:02 PT this incident has been mitigated.
IDENTIFIED
about 21 hours ago - at 03/22/2026 12:34PM
The issue has been identified and a fix is being implemented.
INVESTIGATING
about 22 hours 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.
Latest Anthropic outages
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Elevated errors across surfaces - 4 days ago
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