Elevated errors on Claude Opus 4.6

lowAnthropicClaude APIMar 4, 2026 14:14Duration: 3h 27m

api

API Issue

Summary

This incident has been resolved.

Impact

minor

Timeline

Feb 16, 2026 16:05

[investigating] We are currently investigating this issue. Our team is actively working to identify the root cause.

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+31m

Feb 16, 2026 16:36

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

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+19m

Feb 16, 2026 16:55

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

via statuspage

+2h 20m

Feb 16, 2026 19:15

[resolved] This incident has been resolved.

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+17h 57m

Feb 17, 2026 13:13

[investigating] We are currently investigating this issue.

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+33m

Feb 17, 2026 13:45

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

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+57m

Feb 17, 2026 14:43

[identified] We are continuing to work on a fix for this issue.

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+56m

Feb 17, 2026 15:39

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

via statuspage

+52m

Feb 17, 2026 16:31

[monitoring] We are continuing to monitor for any further issues.

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+8m

Feb 17, 2026 16:39

[resolved] This incident has been resolved.

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+135h 21m

Feb 23, 2026 08:00

[investigating] We are currently investigating this issue.

via statuspage

+12m

Feb 23, 2026 08:13

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

via statuspage

+1h 26m

Feb 23, 2026 09:39

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

via statuspage

+19m

Feb 23, 2026 09:58

[resolved] As of 01:30 PT / 09:30 UTC the error rates have returned to baseline

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+57h 17m

Feb 25, 2026 19:15

[investigating] We are currently investigating this issue.

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+18m

Feb 25, 2026 19:33

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

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+4m

Feb 25, 2026 19:37

[resolved] This incident has been resolved.

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+70h 32m

Feb 28, 2026 18:09

[investigating] We are currently investigating this issue.

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+25m

Feb 28, 2026 18:34

[resolved] Between 9:50 PT / 17:50 UTC and 10:12 PT / 18:12 UTC we had a high rate of errors on Claude Opus 4.6. This has now ended

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+44h 1m

Mar 2, 2026 14:35

[investigating] We are currently investigating this issue.

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+0m

Mar 2, 2026 14:35

[investigating] We are continuing to investigate this issue.

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+7m

Mar 2, 2026 14:42

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

via statuspage

+1h 7m

Mar 2, 2026 15:49

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

via statuspage

+1m

Mar 2, 2026 15:50

[resolved] This incident has been resolved.

via statuspage

+1h 1m

Mar 2, 2026 16:50

[investigating] We are currently investigating this issue.

via statuspage

+19m

Mar 2, 2026 17:09

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

via statuspage

+6m

Mar 2, 2026 17:15

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

via statuspage

+9m

Mar 2, 2026 17:24

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

via statuspage

+32m

Mar 2, 2026 17:55

[resolved] This incident has been resolved.

via statuspage

+13h 4m

Mar 3, 2026 06:59

[investigating] We are currently investigating this issue.

via statuspage

+1h 32m

Mar 3, 2026 08:31

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

via statuspage

+1h 56m

Mar 3, 2026 10:27

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

via statuspage

+1h 33m

Mar 3, 2026 12:00

[identified] The issue is reoccurring, a fix is being implemented.

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+59m

Mar 3, 2026 12:59

[identified] We are continuing to work on a fix for this issue.

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+1h 4m

Mar 3, 2026 14:03

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

via statuspage

+8m

Mar 3, 2026 14:11

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

via statuspage

+18m

Mar 3, 2026 14:29

[monitoring] We are continuing to monitor for any further issues.

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+0m

Mar 3, 2026 14:29

[resolved] This incident has been resolved.

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+23h 45m

Mar 4, 2026 14:14

[investigating] We are currently investigating this issue.

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+1h 44m

Mar 4, 2026 15:57

[resolved] This incident has been resolved.

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Lessons Learned

⚠Anthropic has experienced 33 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to api have occurred 182 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: API Issue. Consider implementing preventive measures specific to this failure category.