Anthropic vs OpenAI.
Over the last 30 days OpenAI measured the higher uptime: 100.000% against Anthropic's 97.324%, with 0 incidents to Anthropic's 48.
Uptime by window
| Window | Anthropic | OpenAI |
|---|---|---|
| 7d | 97.407% | 89.011% |
| 30d | 97.324% | 95.580% |
| 90d | 91.692% | 91.739% |
| 180d | 94.390% | 95.869% |
| 1y | 97.234% | 97.963% |
Anthropic: recent incidents (30d)
Full scorecard →- Minor
Elevated errors on Claude Opus 5
Jul 27, 13:39 UTC · resolved in 1h · Resolved
- Minor
Elevated errors on Claude Opus 5
Jul 27, 11:27 UTC · resolved in 1h 7m · Resolved
- Minor
Elevated errors on Claude Opus 5
Jul 27, 08:16 UTC · resolved in 53m · Resolved
- Major
Elevated errors for Opus 5
Jul 26, 09:17 UTC · resolved in 1h 32m · Resolved
- Major
Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models
Jul 25, 21:34 UTC · resolved in 35m · Resolved
Show 43 older incidents ↓Collapse older incidents ↑
- Major
Elevated errors for Mythos 5, Fable 5, Opus 5 and Claude Haiku 4.5
Jul 25, 18:40 UTC · resolved in 1h 9m · Resolved
- Minor
Elevated error rate on Opus 4.8
Jul 24, 09:09 UTC · resolved in 1h 15m · Resolved
- Minor
Elevated errors on Haiku 4.5
Jul 22, 23:52 UTC · resolved in 26m · Resolved
- Minor
Service disruption on Claude Services
Jul 22, 17:27 UTC · resolved in 27m · Resolved
- Minor
Elevated error rates for Sonnet 5
Jul 22, 15:24 UTC · resolved in 51m · Resolved
- Minor
Elevated errors on Opus 4.8 and Haiku 4.5
Jul 22, 13:37 UTC · resolved in 1h 52m · Resolved
- Minor
Elevated errors for Claude Opus 4.1
Jul 22, 08:34 UTC · resolved in 35m · Resolved
- Critical
Service disruption on Claude services
Jul 21, 17:40 UTC · resolved in 24m · Resolved
- Critical
Elevated errors on several models
Jul 21, 15:35 UTC · resolved in 2h 50m · Resolved
- Major
Elevated errors on Haiku 4.5
Jul 21, 13:04 UTC · resolved in 3h 35m · Resolved
- Minor
Elevated errors across Fable 5
Jul 21, 11:19 UTC · resolved in 50m · Resolved
- Minor
Elevated errors across models
Jul 21, 10:11 UTC · resolved in 1h 8m · Resolved
- Minor
Elevated errors on Haiku 4.5
Jul 21, 07:11 UTC · resolved in 1h 43m · Resolved
- Minor
Elevated errors for Claude Opus 4.8
Jul 20, 14:41 UTC · resolved in 1h 43m · Resolved
- Minor
Elevated errors on Haiku 4.5
Jul 20, 13:20 UTC · resolved in 2h 24m · Resolved
- Minor
Fable 5 requiring usage credits on Max plans
Jul 20, 07:35 UTC · resolved in 8h 9m · Resolved
- Minor
Elevated error rates for Opus 4.5
Jul 20, 07:03 UTC · resolved in 5h 46m · Resolved
- Major
Elevated errors across Fable 5
Jul 17, 18:32 UTC · resolved in 1h 12m · Resolved
- Major
Elevated error rates for Sonnet 5
Jul 17, 18:12 UTC · resolved in 22m · Resolved
- Minor
Elevated errors for Claude Opus 4.8
Jul 17, 14:57 UTC · resolved in 42m · Resolved
- Minor
Elevated errors on Sonnet 5 and Haiku 4.5
Jul 17, 06:47 UTC · resolved in 5h 37m · Resolved
- Major
Elevated errors for multiple models
Jul 16, 18:36 UTC · resolved in 4h 23m · Resolved
- Major
Enterprise SSO sign-in failures
Jul 16, 09:23 UTC · resolved in 1h 6m · Resolved
- Minor
Elevated errors for Claude Opus 4.7
Jul 16, 08:58 UTC · resolved in 4h 42m · Resolved
- Minor
Elevated errors on Claude Sonnet 5
Jul 16, 08:39 UTC · resolved in 16m · Resolved
- Minor
Elevated errors on multiple models
Jul 15, 14:04 UTC · resolved in 1h 7m · Resolved
- Major
Partial outage of claude.ai: container creation
Jul 14, 21:31 UTC · resolved in 48m · Resolved
- Minor
Elevated errors on Claude Haiku 4.5
Jul 13, 14:44 UTC · resolved in 46m · Resolved
- Minor
Elevated errors for Claude Opus 4.8
Jul 10, 14:36 UTC · resolved in 28m · Resolved
- Major
Elevated errors for Claude Opus 4.8
Jul 9, 03:28 UTC · resolved in 34m · Resolved
- Minor
Degraded performance for Claude Code on the web, Cowork Remote, Claude Tag, and Claude Code Review sessions
Jul 8, 19:07 UTC · resolved in 2h 2m · Resolved
- Minor
Elevated errors on Claude Opus 4.8
Jul 8, 18:00 UTC · resolved in 3h 9m · Resolved
- Minor
Elevated errors on Claude Sonnet 5
Jul 8, 06:26 UTC · resolved in 24m · Resolved
- Major
Elevated errors for some models
Jul 7, 20:02 UTC · resolved in 3h 52m · Resolved
- Minor
Elevated errors on Claude Sonnet 5
Jul 7, 06:58 UTC · resolved in 47m · Resolved
- Minor
Claude Tag seeing elevated GitHub operation failures
Jul 6, 21:49 UTC · resolved in 18h 6m · Resolved
- Critical
Elevated errors on Claude.ai
Jul 6, 19:18 UTC · resolved in 51m · Resolved
- Minor
Elevated errors on Claude Haiku 4.5
Jul 6, 07:36 UTC · resolved in 1h 39m · Resolved
- Minor
Elevated errors across many models
Jul 3, 23:42 UTC · resolved in 48m · Resolved
- Minor
Elevated errors on Claude Fable 5 and Claude Mythos 5
Jul 3, 21:54 UTC · resolved in 15m · Resolved
- Minor
Elevated errors on Claude Opus 4.8
Jul 2, 00:38 UTC · resolved in 46m · Resolved
- Minor
Elevated error rates on Opus 4.8
Jun 30, 14:31 UTC · resolved in 59m · Resolved
- Minor
Elevated errors on Opus 4.5
Jun 29, 13:35 UTC · resolved in 54m · Resolved
OpenAI: recent incidents (30d)
Full scorecard →No OpenAI incidents recorded in the last 30 days.