Historical
OpenAI · Incident record · May 19, 23:32 UTC

API users may see increased error rates for GPT-5.4 and GPT-5.5

Historical record · source provider_api · confidence high
38/100
User-Impact Score · Degraded
2026-05-19 23:33 UTC — UIS 38
startedresolved

1h 5m · OpenAI · scope unspecified · historical record (live confirmation cannot be fabricated retroactively).

Cite this incidentBibTeX · APA · MLA · Chicago · RIS
ai-receipts. (2026, May 19). API users may see increased error rates for GPT-5.4 and GPT-5.5 [Incident record, methodology v1.0]. ai-receipts. https://aireceipts.org/incidents/openai:01KS19AHSEE3DAX1HHKNQB166F
Embed this incidentiframe · CC-BY-4.0
<iframe src="https://aireceipts.org/incidents/openai:01KS19AHSEE3DAX1HHKNQB166F?embed=1" title="OpenAI: API users may see increased error rates for GPT-5.4 and GPT-5.5 — ai-receipts incident record" width="100%" height="420" loading="lazy" style="border:1px solid #e4e4e7"></iframe>
<p><a href="https://aireceipts.org/incidents/openai:01KS19AHSEE3DAX1HHKNQB166F">Source: ai-receipts</a> · CC-BY-4.0</p>

Data record

UIS
38/100
Status
resolved
Started (UTC)
2026-05-19 23:32
Duration
1h 5m
Components
—
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 15,868 provider updates. Full record in /data (15,768 additional rows).

  1. May 19, 23:32 UTC
    [identified]
    permalink
  2. May 19, 23:32 UTC
    [identified]
    permalink
  3. May 19, 23:32 UTC
    [identified]
    permalink
  4. May 19, 23:32 UTC
    [identified]
    permalink
  5. May 19, 23:32 UTC
    [identified]
    permalink
  6. May 19, 23:32 UTC
    [identified]
    permalink
  7. May 19, 23:32 UTC
    [identified]
    permalink
  8. May 19, 23:32 UTC
    [identified]
    permalink
  9. May 19, 23:32 UTC
    [identified]
    permalink
  10. May 19, 23:32 UTC
    [identified]
    permalink
  11. May 19, 23:32 UTC
    [identified]
    permalink
  12. May 19, 23:32 UTC
    [identified]
    permalink
  13. May 19, 23:32 UTC
    [identified]
    permalink
  14. May 19, 23:32 UTC
    [identified]
    permalink
  15. May 19, 23:32 UTC
    [identified]
    permalink
  16. May 19, 23:32 UTC
    [identified]
    permalink
  17. May 19, 23:32 UTC
    [identified]
    permalink
  18. May 19, 23:32 UTC
    [identified]
    permalink
  19. May 19, 23:32 UTC
    [identified]
    permalink
  20. May 19, 23:32 UTC
    [identified]
    permalink
  21. May 19, 23:32 UTC
    [identified]
    permalink
  22. May 19, 23:32 UTC
    [identified]
    permalink
  23. May 19, 23:32 UTC
    [identified]
    permalink
  24. May 19, 23:32 UTC
    [identified]
    permalink
  25. May 19, 23:32 UTC
    [identified]
    permalink
  26. May 19, 23:32 UTC
    [identified]
    permalink
  27. May 19, 23:32 UTC
    [identified]
    permalink
  28. May 19, 23:32 UTC
    [identified]
    permalink
  29. May 19, 23:32 UTC
    [identified]
    permalink
  30. May 19, 23:32 UTC
    [identified]
    permalink
  31. May 19, 23:32 UTC
    [identified]
    permalink
  32. May 19, 23:32 UTC
    [identified]
    permalink
  33. May 19, 23:32 UTC
    [identified]
    permalink
  34. May 19, 23:32 UTC
    [identified]
    permalink
  35. May 19, 23:32 UTC
    [identified]
    permalink
  36. May 19, 23:32 UTC
    [identified]
    permalink
  37. May 19, 23:32 UTC
    [identified]
    permalink
  38. May 19, 23:32 UTC
    [identified]
    permalink
  39. May 19, 23:32 UTC
    [identified]
    permalink
  40. May 19, 23:32 UTC
    [identified]
    permalink
  41. May 19, 23:32 UTC
    [identified]
    permalink
  42. May 19, 23:32 UTC
    [identified]
    permalink
  43. May 19, 23:32 UTC
    [identified]
    permalink
  44. May 19, 23:32 UTC
    [identified]
    permalink
  45. May 19, 23:32 UTC
    [identified]
    permalink
  46. May 19, 23:32 UTC
    [identified]
    permalink
  47. May 19, 23:32 UTC
    [identified]
    permalink
  48. May 19, 23:32 UTC
    [identified]
    permalink
  49. May 19, 23:32 UTC
    [identified]
    permalink
  50. May 19, 23:32 UTC
    [identified]
    permalink
  51. May 19, 23:32 UTC
    [identified]
    permalink
  52. May 19, 23:32 UTC
    [identified]
    permalink
  53. May 19, 23:32 UTC
    [identified]
    permalink
  54. May 19, 23:32 UTC
    [identified]
    permalink
  55. May 19, 23:32 UTC
    [identified]
    permalink
  56. May 19, 23:32 UTC
    [identified]
    permalink
  57. May 19, 23:32 UTC
    [identified]
    permalink
  58. May 19, 23:32 UTC
    [identified]
    permalink
  59. May 19, 23:32 UTC
    [identified]
    permalink
  60. May 19, 23:32 UTC
    [identified]
    permalink
  61. May 19, 23:32 UTC
    [identified]
    permalink
  62. May 19, 23:32 UTC
    [identified]
    permalink
  63. May 19, 23:32 UTC
    [identified]
    permalink
  64. May 19, 23:32 UTC
    [identified]
    permalink
  65. May 19, 23:32 UTC
    [identified]
    permalink
  66. May 19, 23:32 UTC
    [identified]
    permalink
  67. May 19, 23:32 UTC
    [identified]
    permalink
  68. May 19, 23:32 UTC
    [identified]
    permalink
  69. May 19, 23:32 UTC
    [identified]
    permalink
  70. May 19, 23:32 UTC
    [identified]
    permalink
  71. May 19, 23:32 UTC
    [identified]
    permalink
  72. May 19, 23:32 UTC
    [identified]
    permalink
  73. May 19, 23:32 UTC
    [identified]
    permalink
  74. May 19, 23:32 UTC
    [identified]
    permalink
  75. May 19, 23:32 UTC
    [identified]
    permalink
  76. May 19, 23:32 UTC
    [identified]
    permalink
  77. May 19, 23:32 UTC
    [identified]
    permalink
  78. May 19, 23:32 UTC
    [identified]
    permalink
  79. May 19, 23:32 UTC
    [identified]
    permalink
  80. May 19, 23:32 UTC
    [identified]
    permalink
  81. May 19, 23:32 UTC
    [identified]
    permalink
  82. May 19, 23:32 UTC
    [identified]
    permalink
  83. May 19, 23:32 UTC
    [identified]
    permalink
  84. May 19, 23:32 UTC
    [identified]
    permalink
  85. May 19, 23:32 UTC
    [identified]
    permalink
  86. May 19, 23:32 UTC
    [identified]
    permalink
  87. May 19, 23:32 UTC
    [identified]
    permalink
  88. May 19, 23:32 UTC
    [identified]
    permalink
  89. May 19, 23:32 UTC
    [identified]
    permalink
  90. May 19, 23:32 UTC
    [identified]
    permalink
  91. May 19, 23:32 UTC
    [identified]
    permalink
  92. May 19, 23:32 UTC
    [identified]
    permalink
  93. May 19, 23:32 UTC
    [identified]
    permalink
  94. May 19, 23:32 UTC
    [identified]
    permalink
  95. May 19, 23:32 UTC
    [identified]
    permalink
  96. May 19, 23:32 UTC
    [identified]
    permalink
  97. May 19, 23:32 UTC
    [identified]
    permalink
  98. May 19, 23:32 UTC
    [identified]
    permalink
  99. May 19, 23:32 UTC
    [identified]
    permalink
  100. May 19, 23:32 UTC
    [identified]
    permalink