Historical
Anthropic · Incident record · May 21, 20:24 UTC

Elevated errors on Claude.ai

Historical record · source provider_api · confidence high
27/100
User-Impact Score · Degraded
2026-05-21 20:25 UTC — UIS 27
startedresolved

44m · Anthropic · scope unspecified · historical record (live confirmation cannot be fabricated retroactively).

Cite this incidentBibTeX · APA · MLA · Chicago · RIS
ai-receipts. (2026, May 21). Elevated errors on Claude.ai [Incident record, methodology v1.0]. ai-receipts. https://aireceipts.org/incidents/anthropic:zvlgr3k8lny0
Embed this incidentiframe · CC-BY-4.0
<iframe src="https://aireceipts.org/incidents/anthropic:zvlgr3k8lny0?embed=1" title="Anthropic: Elevated errors on Claude.ai — ai-receipts incident record" width="100%" height="420" loading="lazy" style="border:1px solid #e4e4e7"></iframe>
<p><a href="https://aireceipts.org/incidents/anthropic:zvlgr3k8lny0">Source: ai-receipts</a> · CC-BY-4.0</p>

Data record

UIS
27/100
Status
resolved
Started (UTC)
2026-05-21 20:24
Duration
44m
Components
claude.ai
Scope
scope unspecified — see methodology limitations
Confirmation
Historical record. Live multi-source confirmation cannot be fabricated retroactively.
Methodology
v1 · how this score was computed · provider status page

Evidence chain

Showing the first 100 of 13,920 provider updates. Full record in /data (13,820 additional rows).

  1. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  2. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  3. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  4. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  5. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  6. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  7. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  8. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  9. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  10. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  11. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  12. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  13. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  14. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

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  15. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  16. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  17. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  18. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  19. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  20. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  21. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  22. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  23. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  24. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  25. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  26. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  27. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  28. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  29. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  30. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  31. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  32. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  33. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  34. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  35. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  36. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  37. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  38. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  39. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  40. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  41. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  42. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  43. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  44. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  45. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  46. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  47. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  48. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  49. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  50. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  51. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  52. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  53. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  54. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  55. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  56. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  57. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  58. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  59. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  60. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  61. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  62. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  63. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  64. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  65. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  66. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  67. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  68. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  69. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  70. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  71. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  72. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  73. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  74. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  75. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  76. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  77. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  78. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  79. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  80. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  81. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  82. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  83. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  84. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  85. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  86. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  87. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  88. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  89. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  90. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  91. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  92. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  93. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  94. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  95. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  96. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  97. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  98. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  99. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink
  100. May 21, 20:24 UTC
    [investigating]

    We are investigating elevated errors for users of Claude.ai, and will provide an update as soon as possible.

    permalink