Uptime50%
5.0
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
▼ 80.3 vs prior 60d
Uptime
0.00%
critical + 0.3 × major (Statuspage formula)
Incidents
0
top type: elevated errors
Median MTTR
1h 1m
bad day: 4h 33m
Component
Incidents
Down (attr.)
Median MTTR
Last
Frequency20%
60.7
Severity20%
0.6
MTTR10%
49.1
SLA Compliance
How often does this provider clear their stated availability target?
Anthropic Commercial Terms · 99.90% · source ↗
✕ last 60d68.00%-31.90%
Met SLA in 0 of 13 weeks (0%)
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 85 incidents
Elevated errors
83%
Degraded
7%
Other
7%
Outage
1%
Auth & login
1%
Integrations
1%
S
Sunday03:00–04:00 UTC
1incident
1 minor
- Degraded performance for multiple modelsJun 7
Sunday14:00–15:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7Jun 7
2
M
Monday00:00–01:00 UTC
1incident
1 major
- Elevated Error Rates for Opus 4.8, Opus 4.7, Opus 4.6, Sonnet 4.6, and Haiku 4.5Jun 22
Monday06:00–07:00 UTC
2incidents
2 minor
- Elevated errors on Claude Opus 4.8Jun 15
- Opus 4.7 elevated errorsJun 1
Monday07:00–08:00 UTC
3incidents
3 minor
- Fable 5 requiring usage credits on Max plansJul 20
- Elevated error rates for Opus 4.5Jul 20
- Elevated errors on several modelsJul 6
Monday08:00–09:00 UTC
1incident
1 minor
- Elevated errors for Claude Opus 4.8Jun 22
Monday09:00–10:00 UTC
1incident
1 minor
- Sonnet 4.5 elevated errorsJun 1
Monday12:00–13:00 UTC
1incident
1 minor
- Elevated errors for Claude Opus 4.7Jun 1
Monday13:00–14:00 UTC
2incidents
2 minor
- Elevated errors on Haiku 4.5Jul 20
- Elevated errors on Opus 4.5Jun 29
Monday14:00–15:00 UTC
3incidents
3 minor
- Elevated errors for Claude Opus 4.8Jul 20
- Elevated errors on Claude Haiku 4.5Jul 13
- Elevated errors on Claude Sonnet 4.6Jun 1
Monday17:00–18:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7Jun 8
Monday18:00–19:00 UTC
1incident
1 minor
- Degraded performance for Claude Sonnet 4.6Jun 1
Monday19:00–20:00 UTC
3incidents
1 critical2 minor
- Elevated errors on Claude.aiJul 6
- Elevated errors across many modelsJun 22
- Elevated errors on Claude Haiku 4.5Jun 8
Monday21:00–22:00 UTC
2incidents
2 minor
- Claude Tag seeing elevated GitHub operation failuresJul 6
- Elevated errors on Claude Opus 4.7Jun 8
Monday22:00–23:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.8Jun 8
22
T
Tuesday01:00–02:00 UTC
1incident
1 minor
- Elevated errors for Claude Code in SlackMay 26
Tuesday03:00–04:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.8 (Fast Mode)Jun 9
Tuesday06:00–07:00 UTC
3incidents
1 major2 minor
- Elevated errors on Claude Sonnet 5Jul 7
- Elevated errors for Claude Opus 4.8Jun 23
- Elevated errors on multiple modelsJun 2
Tuesday07:00–08:00 UTC
1incident
1 minor
- Elevated errors on Haiku 4.5Jul 21
Tuesday10:00–11:00 UTC
1incident
1 minor
- Elevated errors across modelsJul 21
Tuesday11:00–12:00 UTC
1incident
1 minor
- Elevated errors across Fable 5Jul 21
Tuesday14:00–15:00 UTC
2incidents
1 critical1 minor
- Elevated error rates on Opus 4.8Jun 30
- Elevated error rate across multiple modelsJun 23
Tuesday17:00–18:00 UTC
1incident
1 minor
- Elevated errors across many modelsJun 16
Tuesday18:00–19:00 UTC
2incidents
1 major1 minor
- Claude.ai is experiencing elevated error ratesJun 23
- Fable not available in the model picker in Claude Code DesktopJun 9
Tuesday20:00–21:00 UTC
3incidents
2 major1 minor
- Elevated errors for some modelsJul 7
- Elevated errors for Claude Opus 4.8Jun 16
- Elevated errors on Claude Opus 4.6Jun 9
Tuesday21:00–22:00 UTC
1incident
1 major
- Partial outage of claude.ai: container creationJul 14
17
W
Wednesday00:00–01:00 UTC
1incident
1 minor
- Elevated errors on Claude Sonnet 4.6 and Opus 4.8Jun 17
Wednesday04:00–05:00 UTC
1incident
1 major
- Issue affecting some Claude Code servicesJun 3
Wednesday05:00–06:00 UTC
2incidents
1 major1 minor
- Elevated errors for Claude Opus 4.8Jun 17
- Elevated errors on Claude Opus 4.7May 27
Wednesday06:00–07:00 UTC
1incident
1 minor
- Elevated errors on Claude Sonnet 5Jul 8
Wednesday07:00–08:00 UTC
1incident
1 minor
- Elevated errors on Opus 4.7Jun 3
Wednesday08:00–09:00 UTC
2incidents
1 major1 minor
- Elevated errors for Claude Opus 4.8Jun 17
- Elevated errors on Claude Opus 4.7May 27
Wednesday12:00–13:00 UTC
1incident
1 minor
- Issues authorizing to MCP ServersJul 8
Wednesday13:00–14:00 UTC
2incidents
2 minor
- Elevated error rate on Claude Opus 4.8Jun 24
- Elevated errors on Claude Haiku 4.5Jun 10
Wednesday14:00–15:00 UTC
1incident
1 minor
- Elevated errors on multiple modelsJul 15
Wednesday15:00–16:00 UTC
1incident
1 minor
- Elevated errors for Claude Opus 4.8Jun 17
Wednesday18:00–19:00 UTC
1incident
1 minor
- Elevated errors on multiple modelsJul 8
Wednesday19:00–20:00 UTC
1incident
1 minor
- Degraded performance for Claude Code on the web, Cowork Remote, Claude Tag, and Claude Code Review sessionsJul 8
15
T
Thursday00:00–01:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.8Jul 2
Thursday03:00–04:00 UTC
1incident
1 major
- Elevated errors for Claude Opus 4.8Jul 9
Thursday07:00–08:00 UTC
1incident
1 major
- Service disruption on Claude servicesJun 18
Thursday08:00–09:00 UTC
3incidents
1 major2 minor
- Elevated errors for Claude Opus 4.7Jul 16
- Elevated errors on Claude Sonnet 5Jul 16
- Elevated errors on Claude Opus 4.7May 28
Thursday09:00–10:00 UTC
1incident
1 major
- Enterprise SSO sign-in failuresJul 16
Thursday14:00–15:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.6Jun 11
Thursday16:00–17:00 UTC
1incident
1 major
- Elevated errors across modelsJun 11
Thursday18:00–19:00 UTC
1incident
1 major
- Elevated errors for multiple modelsJul 16
Thursday19:00–20:00 UTC
1incident
1 minor
- Billing and subscription management issuesMay 28
11
F
Friday06:00–07:00 UTC
2incidents
2 minor
- Elevated errors on Sonnet 5 and Haiku 4.5Jul 17
- Elevated errors for Claude Opus 4.8Jun 19
Friday08:00–09:00 UTC
2incidents
2 minor
- Elevated error rates on the Claude APIJun 19
- Elevated errors on Claude Opus 4.8May 29
Friday14:00–15:00 UTC
2incidents
2 minor
- Elevated errors for Claude Opus 4.8Jul 17
- Elevated errors for Claude Opus 4.8Jul 10
Friday15:00–16:00 UTC
1incident
1 major
- Elevated errors on many Claude modelsJun 5
Friday18:00–19:00 UTC
3incidents
3 major
- Elevated errors across Fable 5Jul 17
- Elevated error rates for Sonnet 5Jul 17
- Elevated errors for Claude Opus 4.8May 29
Friday21:00–22:00 UTC
1incident
1 minor
- Elevated errors on Claude Fable 5 and Claude Mythos 5Jul 3
Friday23:00–00:00 UTC
1incident
1 minor
- Elevated errors across many modelsJul 3
12
S
Saturday00:00–01:00 UTC
1incident
1 critical
- We’ve suspended access to Claude Mythos 5 and Claude Fable 5Jun 13
Saturday02:00–03:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.8Jun 13
Saturday09:00–10:00 UTC
1incident
1 minor
- Opus 4.8 degraded serviceJun 6
Saturday17:00–18:00 UTC
1incident
1 minor
- Opus 4.8 errorsJun 20
Saturday18:00–19:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.8Jun 6
Saturday22:00–23:00 UTC
1incident
1 minor
- opus 4.7 elevated errorsMay 30
6
00
06
12
18
HOUR OF DAY · UTC85 incident starts · hover any cell for detail
Hottest hour
Monday 07:00 3
Worst day
Monday 22
Worst time of day
14:00–15:00 10
Typical fix
1h 1m
half of incidents resolve faster
On a bad day
4h 33m
9 in 10 resolve faster than this
Distribution
<15m
8
15m–1h
34
1–4h
34
4–24h
10
24h+
1
+1 ongoing (not counted above)
MTTR Trend (12 weeks)
Are they recovering faster or slower over time? Lower is better.
117m worstnow 83m
12 weeks agodelta +54m (worse)now
Showing 15 of 200 · 4 of 94 daysLatest first
TUE, JUL 212026-07-213 incidents
MON, JUL 202026-07-204 incidents
FRI, JUL 172026-07-174 incidents
THU, JUL 162026-07-164 incidents