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Is Anthropic down? · AI

Anthropic is up

OperationalNo known problems: Anthropic's status page says operational

99.71% uptime, 90 days · 99.75% over 12 monthsLast incident Checked Official status pageHistory

Reports count in aggregate against normal levels; one alone never makes a claim.

Now

Open incidents

What Anthropic has posted and not resolved.

Anthropic has no open incidents.

90 days

Daily history

Worst impact each day, from the provider's own incidents.

  1. 2026-08-14: 3 incidents, worst partial outage
  2. 2026-08-15: 1 incident, worst partial outage
  3. 2026-08-16: 1 incident, worst major outage
  4. 2026-08-17: 1 incident, worst degraded
  5. 2026-08-18: 1 incident, worst degraded
  6. 2026-08-19: 1 incident, worst degraded
  7. 2026-08-20: 2 incidents, worst partial outage
  8. 2026-08-21: no incidents
  9. 2026-08-22: no incidents
  10. 2026-08-23: no incidents
  11. 2026-08-24: 3 incidents, worst partial outage
  12. 2026-08-25: no incidents
  13. 2026-08-26: no incidents
  14. 2026-08-27: no incidents
  15. 2026-08-28: 1 incident, worst partial outage
  16. 2026-08-29: no incidents
  17. 2026-08-30: no incidents
  18. 2026-08-31: 2 incidents, worst degraded
  19. 2026-09-01: 3 incidents, worst degraded
  20. 2026-09-02: 2 incidents, worst partial outage
  21. 2026-09-03: 2 incidents, worst partial outage
  22. 2026-09-04: no incidents
  23. 2026-09-05: no incidents
  24. 2026-09-06: no incidents
  25. 2026-09-07: no incidents
  26. 2026-09-08: no incidents
  27. 2026-09-09: no incidents
  28. 2026-09-10: 1 incident, worst partial outage
  29. 2026-09-11: 2 incidents, worst partial outage
  30. 2026-09-12: 1 incident, worst partial outage
  31. 2026-09-13: 1 incident, worst partial outage
  32. 2026-09-14: 1 incident, worst partial outage
  33. 2026-09-15: 1 incident, worst partial outage
  34. 2026-09-16: no incidents
  35. 2026-09-17: no incidents
  36. 2026-09-18: no incidents
  37. 2026-09-19: no incidents
  38. 2026-09-20: no incidents
  39. 2026-09-21: no incidents
  40. 2026-09-22: 1 incident, worst partial outage
  41. 2026-09-23: no incidents
  42. 2026-09-24: no incidents
  43. 2026-09-25: no incidents
  44. 2026-09-26: no incidents
  45. 2026-09-27: no incidents
  46. 2026-09-28: no incidents
  47. 2026-09-29: 1 incident, worst partial outage
  48. 2026-09-30: no incidents
  49. 2026-10-01: 1 incident, worst degraded
  50. 2026-10-02: no incidents
  51. 2026-10-03: no incidents
  52. 2026-10-04: no incidents
  53. 2026-10-05: 1 incident, worst partial outage
  54. 2026-10-06: 1 incident, worst partial outage
  55. 2026-10-07: 2 incidents, worst partial outage
  56. 2026-10-08: 1 incident, worst partial outage
  57. 2026-10-09: 1 incident, worst partial outage
  58. 2026-10-10: 1 incident, worst partial outage
  59. 2026-10-11: 1 incident, worst partial outage
  60. 2026-10-12: 1 incident, worst partial outage
  61. 2026-10-13: 1 incident, worst partial outage
  62. 2026-10-14: no incidents
  63. 2026-10-15: no incidents
  64. 2026-10-16: no incidents
  65. 2026-10-17: no incidents
  66. 2026-10-18: no incidents
  67. 2026-10-19: no incidents
  68. 2026-10-20: no incidents
  69. 2026-10-21: 1 incident, worst degraded
  70. 2026-10-22: 1 incident, worst degraded
  71. 2026-10-23: 1 incident, worst major outage
  72. 2026-10-24: 3 incidents, worst major outage
  73. 2026-10-25: 2 incidents, worst partial outage
  74. 2026-10-26: no incidents
  75. 2026-10-27: 2 incidents, worst partial outage
  76. 2026-10-28: 2 incidents, worst degraded
  77. 2026-10-29: no incidents
  78. 2026-10-30: no incidents
  79. 2026-10-31: no incidents
  80. 2026-11-01: no incidents
  81. 2026-11-02: no incidents
  82. 2026-11-03: no incidents
  83. 2026-11-04: no incidents
  84. 2026-11-05: no incidents
  85. 2026-11-06: no incidents
  86. 2026-11-07: no incidents
  87. 2026-11-08: 1 incident, worst degraded
  88. 2026-11-09: no incidents
  89. 2026-11-10: no incidents
  90. 2026-11-11: no incidents
90 days agoToday
Reliability

Last 90 days in numbers

From the provider's own posts, including history read from its archive.

Uptime
99.75%12 months
Incidents
49on 39 days
Median duration
42m
Longest
6d 4h
Postmortem rate
0%partial and major outages
Reports

People reporting problems

Hourly counts, last 24 hours.

No reports in the last 24 hours.

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Open feed

Pages of 30 incidents, newest first. Pass the response's next_cursor as cursor for the next page.

History

Recent incidents

The last 90 days.

All history
  1. AnthropicOperational
    Elevated errors on Fable 52 and Mythos 52
    lasted 0m
  2. AnthropicDegraded
    Degraded performance for Claude Fable 5.1

    The provider says Claude Fable 5.1 had elevated errors on requests, affecting claude.ai, the Claude API, Claude Code, and Claude Cowork, from 08:18 to 08:32 UTC on Nov 8. A fix was deployed, and the provider says the issue is resolved.

    lasted 26mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  3. AnthropicDegraded
    Elevated errors affecting the Google Calendar connector
    lasted 3h 46mclaude.ai, Claude Code, Claude Cowork
  4. AnthropicDegraded
    Elevated errors affecting the Gmail connector
    lasted 1h 49mclaude.ai, Claude Code, Claude Cowork
  5. AnthropicPartial outage
    Elevated errors for Claude Sonnet 5.5
    lasted 41mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  6. AnthropicPartial outage
    Elevated errors for Claude Sonnet 5.5
    lasted 42mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  7. AnthropicPartial outage
    Elevated errors for Claude Fable 5.1
    lasted 32mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  8. AnthropicPartial outage
    Elevated errors for Claude Sonnet 5.5 and other models
    lasted 1h 39mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  9. AnthropicPartial outage
    Elevated errors for Claude Fable 5 and Claude Fable 5.1
    lasted 37mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  10. AnthropicPartial outage
    Elevated errors for Claude Opus 5.5
    lasted 6mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  11. AnthropicMajor outage
    Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5
    lasted 34mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  12. AnthropicDegraded
    Elevated errors affecting Connectors
    lasted 4h 17mclaude.ai, Claude Cowork
  13. AnthropicDegraded
    Degraded performance for Claude Fable 5
    lasted 40mclaude.ai, Claude API (api.anthropic.com), Claude Code +1
  14. AnthropicOperational
    Issue with spend limits
    lasted 0m
  15. AnthropicPartial outage
    Elevated errors on platform.claude.com
    lasted 6d 4hClaude Console (platform.claude.com)
Compare

How Anthropic stacks up

Side-by-side reliability with OpenAI, Hugging Face or LangSmith.

Anthropic status: questions

Is Anthropic down right now?

No known problems: Anthropic's status page says operational (checked 2026-11-11 01:20 UTC from Anthropic's official status page).

What is Anthropic's uptime?

99.71% over the last 90 days and 99.75% over 12 months, from the incidents Anthropic posted on its own status page. A major outage counts in full and a partial outage as 30% of its time, per component.

When was Anthropic's last outage?

Elevated errors on Fable 52 and Mythos 52, starting 2026-11-10 21:47 UTC and lasting 0m: https://down.guide/DWN-006a2e5924

How do I get alerts when Anthropic goes down?

Subscribe to https://down.guide/feed?provider=anthropic (RSS; add format=atom or format=json). In Slack, install the RSS app and run /feed subscribe with that URL; in Discord, give it to a feed bot such as MonitoRSS. No account needed.

Where does down.guide get Anthropic's status?

From Anthropic's official status page, https://status.claude.com, read every minute. Anthropic's words are quoted verbatim and linked.