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 90d
Composite Score
0.0/100
uptime · freq · sev · mttr
▼ 80.4 vs prior 90d
Uptime
0.00%
critical + 0.3 × major (Statuspage formula)
Incidents
0
top type: elevated errors
Median MTTR
55m
bad day: 3h 44m
Component
Incidents
Down (attr.)
Median MTTR
Last
Frequency20%
57.1
Severity20%
1.3
MTTR10%
54.6
SLA Compliance
How often does this provider clear their stated availability target?
Anthropic Commercial Terms · 99.90% · source ↗
✕ last 90d78.10%-21.80%
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 131 incidents
Elevated errors
81%
Degraded
8%
Other
5%
Outage
4%
Auth & login
2%
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
3incidents
3 minor
- Elevated errors on Claude Opus 4.8Jun 15
- Opus 4.7 elevated errorsJun 1
- Elevated errors on Claude Haiku 4.5May 18
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
2incidents
2 minor
- Elevated errors for Claude Opus 4.8Jun 22
- Elevated errors on Claude Opus 4.5May 4
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
3incidents
3 minor
- Elevated errors on Haiku 4.5Jul 20
- Elevated errors on Opus 4.5Jun 29
- Elevated errors on Claude Opus 4.5 and Sonnet 4.5May 4
Monday14:00–15:00 UTC
4incidents
4 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
- + 1 more
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
2incidents
1 major1 minor
- Elevated errors on Claude Opus 4.8Jun 8
- Elevated errors for Claude Opus 4.7May 18
27
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
Tuesday04:00–05:00 UTC
1incident
1 minor
- Elevated errors on Claude.ai and Claude Code loginMay 19
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
2incidents
2 minor
- Elevated errors on Haiku 4.5Jul 21
- Elevated errors on Claude Haiku 4.5May 19
Tuesday08:00–09:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7May 19
Tuesday12:00–13:00 UTC
1incident
1 minor
- Elevated errors on Claude Haiku 4.5Apr 28
Tuesday13:00–14:00 UTC
1incident
1 minor
- Elevated errors on Claude Sonnet 4.5Apr 28
Tuesday14:00–15:00 UTC
3incidents
1 critical1 major1 minor
- Elevated error rates on Opus 4.8Jun 30
- Elevated error rate across multiple modelsJun 23
- Elevated errors on Claude Opus 4.7May 19
Tuesday17:00–18:00 UTC
2incidents
1 major1 minor
- Elevated errors across many modelsJun 16
- Claude.ai unavailable and elevated errors on the APIApr 28
Tuesday18:00–19:00 UTC
3incidents
1 major2 minor
- Claude.ai is experiencing elevated error ratesJun 23
- Fable not available in the model picker in Claude Code DesktopJun 9
- Elevated Error Rate for Vaults and CredentialsMay 12
Tuesday19:00–20:00 UTC
1incident
1 major
- Elevated errors for Claude Sonnet 4.6 and Haiku 4.5May 12
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
Tuesday23:00–00:00 UTC
2incidents
1 major1 minor
- Elevated errors on Claude Opus 4.7May 12
- Elevated errors on Claude Opus 4.7Apr 28
26
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
3incidents
1 major2 minor
- Elevated errors for Claude Opus 4.8Jun 17
- Elevated errors on Claude Opus 4.7May 27
- Elevated errors on Claude Haiku 4.5May 20
Wednesday11:00–12:00 UTC
1incident
1 major
- Claude.ai is experiencing elevated error ratesMay 13
Wednesday12:00–13:00 UTC
2incidents
1 major1 minor
- Issues authorizing to MCP ServersJul 8
- Claude.ai is experiencing elevated error ratesMay 13
Wednesday13:00–14:00 UTC
3incidents
3 minor
- Elevated error rate on Claude Opus 4.8Jun 24
- Elevated errors on Claude Haiku 4.5Jun 10
- Elevated errors on Claude Haiku 4.5Apr 29
Wednesday14:00–15:00 UTC
2incidents
2 minor
- Elevated errors on multiple modelsJul 15
- Elevated errors on Claude Opus 4.7May 20
Wednesday15:00–16:00 UTC
2incidents
1 major1 minor
- Elevated errors for Claude Opus 4.8Jun 17
- Elevated errors across multiple modelsMay 6
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
Wednesday22:00–23:00 UTC
1incident
1 major
- Connection failures for organizations restricting GitHub access by IP addressMay 6
22
T
Thursday00:00–01:00 UTC
2incidents
2 minor
- Elevated errors on Claude Opus 4.8Jul 2
- MCP apps unavailable on Claude.aiApr 23
Thursday01:00–02:00 UTC
1incident
1 critical
- claude.ai and API unavailableApr 30
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
Thursday12:00–13:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7May 7
Thursday13:00–14:00 UTC
1incident
1 minor
- Elevated errors on Claude Haiku 4.5Apr 30
Thursday14:00–15:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.6Jun 11
Thursday15:00–16:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7Apr 23
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
Thursday20:00–21:00 UTC
2incidents
2 minor
- Elevated errors on Claude.aiMay 21
- Elevated errors on Claude Opus 4.7May 14
18
F
Friday00:00–01:00 UTC
1incident
1 major
- Elevated error rates on requests to some modelsMay 15
Friday02:00–03:00 UTC
1incident
1 critical
- Elevated errors on Sonnet 4.6Apr 24
Friday04:00–05:00 UTC
1incident
1 major
- Elevated error rate on multiple modelsMay 22
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
Friday09:00–10:00 UTC
1incident
1 major
- Elevated errors across Claude ModelsMay 8
Friday10:00–11:00 UTC
2incidents
2 minor
- Elevated errors on Claude Opus 4.7May 22
- Elevated errors on Claude Opus 4.7Apr 24
Friday14:00–15:00 UTC
3incidents
3 minor
- Elevated errors for Claude Opus 4.8Jul 17
- Elevated errors for Claude Opus 4.8Jul 10
- Elevated Errors on File OperationsMay 8
Friday15:00–16:00 UTC
2incidents
1 major1 minor
- Elevated errors on many Claude modelsJun 5
- Elevated errors on Claude Sonnet 4.6May 8
Friday17:00–18:00 UTC
2incidents
1 major1 minor
- Elevated errors on Claude Opus 4.7May 8
- Issues with sign-ups on platform.claude.comApr 24
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
Friday22:00–23:00 UTC
1incident
1 major
- Claude Code IDE extension unable to load on WindowsMay 8
Friday23:00–00:00 UTC
1incident
1 minor
- Elevated errors across many modelsJul 3
23
S
Saturday00:00–01:00 UTC
1incident
1 critical
- We’ve suspended access to Claude Mythos 5 and Claude Fable 5Jun 13
Saturday01:00–02:00 UTC
2incidents
2 minor
- Claude Code v2.1.120 Crashes on StartupApr 25
- Elevated error rates on Claude Opus 4.7Apr 25
Saturday02:00–03:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.8Jun 13
Saturday07:00–08:00 UTC
2incidents
2 minor
- Elevated errors on Claude Opus 4.1May 9
- Elevated errors on Claude Opus 4.7Apr 25
Saturday08:00–09:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7Apr 25
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
2incidents
1 major1 minor
- Elevated errors on Claude Opus 4.8Jun 6
- Elevated error rates on requests to multiple modelsMay 16
Saturday22:00–23:00 UTC
1incident
1 minor
- opus 4.7 elevated errorsMay 30
Saturday23:00–00:00 UTC
1incident
1 minor
- Claude Code on the Web Partial OutageMay 9
13
00
06
12
18
HOUR OF DAY · UTC131 incident starts · hover any cell for detail
Hottest hour
Monday 14:00 4
Worst day
Monday 27
Worst time of day
14:00–15:00 14
Typical fix
54m
half of incidents resolve faster
On a bad day
3h 44m
9 in 10 resolve faster than this
Distribution
<15m
13
15m–1h
60
1–4h
50
4–24h
12
24h+
1
+0 ongoing (not counted above)
+1 resolved w/o published end time (excluded)
+1 resolved w/o published end time (excluded)
MTTR Trend (12 weeks)
Are they recovering faster or slower over time? Lower is better.
117m worstnow 95m
12 weeks agodelta +66m (worse)now
Showing 13 of 200 · 4 of 96 daysLatest first
TUE, JUL 212026-07-211 incident
MON, JUL 202026-07-204 incidents
FRI, JUL 172026-07-174 incidents
THU, JUL 162026-07-164 incidents