Uptime50%
29.1
Claude status & reliability
Anthropic
AI safety company founded by ex-OpenAI researchers Dario and Daniela Amodei. Builds the Claude family of large language models with a focus on steerability, interpretability, and reducing harmful outputs.
Reliability — last 60d
Composite Score
0.0/100
uptime · freq · sev · mttr
▼ 58.4 vs prior 60d
Uptime
0.00%
critical + 0.3 × major (Statuspage formula)
Incidents
0
top type: elevated errors
Median MTTR
1h 13m
bad day: 3h 24m
Component
Incidents
Down (attr.)
Median MTTR
Last
Frequency20%
84.2
Severity20%
31.3
MTTR10%
39.0
SLA Compliance
How often does this provider clear their stated availability target?
Anthropic Commercial Terms · 99.90% · source ↗
✕ last 60d94.43%-5.47%
Met SLA in 1 of 13 weeks (8%)
13 weeks on record
Method: a rolling quarter (13 weeks ≈ 91 days). Each cell is one 7-day slice of Statuspage-standard uptime (1 − (critical + 0.3 × major) / window; minors and maintenance excluded; red when the slice dips below the stated SLA).
MinorMajorCritical
Total 29 incidents
Elevated errors
48%
Degraded
35%
Latency
6%
Other
6%
Integrations
3%
S
Sunday21:00–22:00 UTC
1incident
1 critical
- Service disruption on Claude servicesAug 16
1
M
Monday05:00–06:00 UTC
1incident
1 major
- Elevated errors for multiple modelsAug 24
Monday13:00–14:00 UTC
2incidents
1 major1 minor
- Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1Oct 5
- Degraded performance for Claude Opus 5, Claude Sonnet 5Aug 17
Monday17:00–18:00 UTC
2incidents
2 minor
- Degraded performance on claude.aiAug 31
- Errors logging into Claude.aiAug 24
Monday19:00–20:00 UTC
1incident
1 minor
- Degraded performance on claude.ai and Claude CodeAug 31
Monday20:00–21:00 UTC
1incident
1 minor
- Issues logging into Claude.aiAug 24
7
T
Tuesday00:00–01:00 UTC
1incident
1 major
- Elevated errors for multiple modelsSep 22
Tuesday09:00–10:00 UTC
1incident
1 major
- Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1Sep 15
Tuesday12:00–13:00 UTC
1incident
1 major
- Elevated errors for Claude Opus 5.5Oct 6
Tuesday14:00–15:00 UTC
1incident
1 major
- Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude APISep 29
Tuesday16:00–17:00 UTC
2incidents
2 minor
- Degraded performance on Claude for Microsoft Office 365Sep 1
- Degraded performance for multiple modelsAug 18
Tuesday17:00–18:00 UTC
1incident
1 minor
- Degraded performance on platform.claude.com and Claude for Microsoft Office 365Sep 1
Tuesday23:00–00:00 UTC
1incident
1 minor
- Delays in credit purchasesSep 1
8
W
Wednesday01:00–02:00 UTC
1incident
1 major
- Elevated errors loading usage data on platform.claude.comOct 7
Wednesday09:00–10:00 UTC
1incident
1 minor
- Degraded performance for Claude Opus 5 and Claude Haiku 4.5Aug 19
Wednesday13:00–14:00 UTC
1incident
1 major
- Elevated errors on platform.claude.comOct 7
Wednesday21:00–22:00 UTC
1incident
1 major
- Elevated errors for Claude Sonnet 5Sep 2
4
T
Thursday12:00–13:00 UTC
1incident
1 major
- Elevated errors for Claude Sonnet 5Sep 3
Thursday13:00–14:00 UTC
1incident
1 major
- Elevated errors for multiple modelsSep 3
Thursday15:00–16:00 UTC
1incident
1 major
- Degraded functionality for Claude Cowork on WindowsSep 10
Thursday16:00–17:00 UTC
1incident
1 minor
- Delayed credits on the Claude PlatformOct 1
Thursday18:00–19:00 UTC
1incident
1 minor
- Elevated errors on Google connectorsAug 20
Thursday19:00–20:00 UTC
1incident
1 major
- Elevated errors on requests to multiple modelsAug 20
Thursday21:00–22:00 UTC
1incident
1 minor
- Elevated latency on the Claude API for some usersSep 10
7
F
Friday14:00–15:00 UTC
1incident
1 major
- Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1Sep 11
Friday17:00–18:00 UTC
1incident
1 major
- Elevated errors on Claude Code and Claude CoworkAug 28
2
S
0
00
06
12
18
HOUR OF DAY · UTC29 incident starts · hover any cell for detail
Hottest hour
Monday 13:00 2
Worst day
Tuesday 8
Worst time of day
13:00–14:00 4
Typical fix
1h 13m
half of incidents resolve faster
On a bad day
3h 24m
9 in 10 resolve faster than this
Distribution
<15m
3
15m–1h
11
1–4h
14
4–24h
1
24h+
2
+0 ongoing (not counted above)
MTTR Trend (12 weeks)
Are they recovering faster or slower over time? Lower is better.
4458m worstnow 4458m
12 weeks agodelta +4401m (worse)now
Showing 6 of 200 · 4 of 98 daysLatest first
WED, OCT 72026-10-073 incidents
TUE, OCT 62026-10-061 incident
MON, OCT 52026-10-051 incident
THU, OCT 12026-10-011 incident