Uptime50%
51.1
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
▼ 53.6 vs prior 60d
Uptime
0.00%
critical + 0.3 × major (Statuspage formula)
Incidents
0
top type: elevated errors
Median MTTR
47m
bad day: 2h 50m
Component
Incidents
Down (attr.)
Median MTTR
Last
Frequency20%
60.0
Severity20%
13.6
MTTR10%
61.1
SLA Compliance
How often does this provider clear their stated availability target?
Anthropic Commercial Terms · 99.90% · source ↗
✕ last 60d98.35%-1.55%
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 84 incidents
Elevated errors
73%
Degraded
13%
Outage
8%
Auth & login
3%
Integrations
2%
Other
1%
S
0
M
Monday06:00–07:00 UTC
3incidents
1 major2 minor
- Opus 4.7 elevated errorsJun 1
- Elevated errors on Claude Haiku 4.5May 18
- Claude Sonnet 4.5 error spikeApr 20
Monday08:00–09:00 UTC
1incident
1 minor
- 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
2incidents
2 minor
- Elevated errors on Claude Opus 4.5 and Sonnet 4.5May 4
- Elevated errors for uploading filesApr 20
Monday14:00–15:00 UTC
2incidents
2 minor
- Elevated errors on Claude Sonnet 4.6Jun 1
- Elevated errors on Claude Opus 4.7May 4
Monday15:00–16:00 UTC
2incidents
1 critical1 major
- Claude.ai downApr 13
- Elevated errors on Claude.aiApr 6
Monday18:00–19:00 UTC
1incident
1 minor
- Degraded performance for Claude Sonnet 4.6Jun 1
Monday21:00–22:00 UTC
1incident
1 minor
- Sonnet 4.6 elevated rate of errorsApr 6
Monday22:00–23:00 UTC
1incident
1 major
- Elevated errors for Claude Opus 4.7May 18
15
T
Tuesday01:00–02:00 UTC
1incident
1 minor
- Elevated errors for Claude Code in SlackMay 26
Tuesday04:00–05:00 UTC
1incident
1 minor
- Elevated errors on Claude.ai and Claude Code loginMay 19
Tuesday06:00–07:00 UTC
1incident
1 major
- Elevated errors on multiple modelsJun 2
Tuesday07:00–08:00 UTC
1incident
1 minor
- Elevated errors on Claude Haiku 4.5May 19
Tuesday08:00–09:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7May 19
Tuesday09:00–10:00 UTC
1incident
1 minor
- Degraded service on usage and analytics admin API endpointsApr 14
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
2incidents
1 critical1 major
- Elevated errors on Claude Opus 4.7May 19
- Elevated errors on Claude.aiApr 7
Tuesday17:00–18:00 UTC
1incident
1 major
- Claude.ai unavailable and elevated errors on the APIApr 28
Tuesday18:00–19:00 UTC
1incident
1 minor
- 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
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
15
W
Wednesday04:00–05:00 UTC
1incident
1 major
- Issue affecting some Claude Code servicesJun 3
Wednesday05:00–06:00 UTC
1incident
1 major
- Elevated errors on Claude Opus 4.7May 27
Wednesday06:00–07:00 UTC
1incident
1 major
- Sonnet 4.6 elevated rate of errorsApr 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 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
1incident
1 major
- Claude.ai is experiencing elevated error ratesMay 13
Wednesday13:00–14:00 UTC
1incident
1 minor
- Elevated errors on Claude Haiku 4.5Apr 29
Wednesday14:00–15:00 UTC
2incidents
1 critical1 minor
- Elevated errors on Claude Opus 4.7May 20
- Elevated errors on Claude.ai, API, Claude CodeApr 15
Wednesday15:00–16:00 UTC
1incident
1 major
- Elevated errors across multiple modelsMay 6
Wednesday17:00–18:00 UTC
1incident
1 minor
- Elevated errors on Claude.ai, API, Claude CodeApr 8
Wednesday22:00–23:00 UTC
1incident
1 major
- Connection failures for organizations restricting GitHub access by IP addressMay 6
14
T
Thursday00:00–01:00 UTC
1incident
1 minor
- MCP apps unavailable on Claude.aiApr 23
Thursday01:00–02:00 UTC
1incident
1 critical
- claude.ai and API unavailableApr 30
Thursday06:00–07:00 UTC
1incident
1 minor
- Opus 4.6 elevated rate of errorsApr 16
Thursday08:00–09:00 UTC
2incidents
1 major1 minor
- Elevated errors on Claude Opus 4.7May 28
- Sonnet 4.6 elevated rate of errorsApr 9
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
Thursday15:00–16:00 UTC
1incident
1 minor
- Elevated errors on Claude Opus 4.7Apr 23
Thursday16:00–17:00 UTC
1incident
1 minor
- Elevated Connector Error RatesApr 9
Thursday19:00–20:00 UTC
2incidents
1 major1 minor
- Billing and subscription management issuesMay 28
- Claude Cowork not starting for some usersApr 16
Thursday20:00–21:00 UTC
2incidents
2 minor
- Elevated errors on Claude.aiMay 21
- Elevated errors on Claude Opus 4.7May 14
Thursday22:00–23:00 UTC
1incident
1 minor
- Failures to add Credentials to VaultsApr 16
14
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
2incidents
1 major1 minor
- Elevated error rate on multiple modelsMay 22
- Degraded Performance on VaultsApr 10
Friday08:00–09:00 UTC
1incident
1 minor
- 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
1incident
1 minor
- Elevated Errors on File OperationsMay 8
Friday15:00–16:00 UTC
1incident
1 minor
- Elevated errors on Claude Sonnet 4.6May 8
Friday16:00–17:00 UTC
1incident
1 minor
- Elevated errors on requests to Claude modelsApr 10
Friday17:00–18:00 UTC
3incidents
1 major2 minor
- Elevated errors on Claude Opus 4.7May 8
- Issues with sign-ups on platform.claude.comApr 24
- Some Claude.ai share links were inaccessibleApr 10
Friday18:00–19:00 UTC
2incidents
1 major1 minor
- Elevated errors for Claude Opus 4.8May 29
- Errors uploading documents to Google Drive in Claude.aiApr 17
Friday22:00–23:00 UTC
1incident
1 major
- Claude Code IDE extension unable to load on WindowsMay 8
17
S
Saturday00:00–01:00 UTC
1incident
1 major
- Email login downApr 11
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
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
Saturday18:00–19:00 UTC
1incident
1 major
- 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
9
00
06
12
18
HOUR OF DAY · UTC84 incident starts · hover any cell for detail
Hottest hour
Monday 06:00 3
Worst day
Friday 17
Worst time of day
08:00–09:00 8
Typical fix
47m
half of incidents resolve faster
On a bad day
2h 50m
9 in 10 resolve faster than this
Distribution
<15m
10
15m–1h
45
1–4h
30
4–24h
4
24h+
0
+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.
112m worstnow 38m
12 weeks agodelta -55m (better)now
Showing 9 of 200 · 4 of 91 daysLatest first
WED, JUN 32026-06-032 incidents
TUE, JUN 22026-06-021 incident
MON, JUN 12026-06-015 incidents
SAT, MAY 302026-05-301 incident