Uptime50%
45.1
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 90d
Composite Score
0.0/100
uptime · freq · sev · mttr
▼ 59.1 vs prior 90d
Uptime
0.00%
critical + 0.3 × major (Statuspage formula)
Incidents
0
top type: elevated errors
Median MTTR
55m
bad day: 3h 23m
Component
Incidents
Down (attr.)
Median MTTR
Last
Frequency20%
58.0
Severity20%
6.7
MTTR10%
54.5
SLA Compliance
How often does this provider clear their stated availability target?
Anthropic Commercial Terms · 99.90% · source ↗
✕ last 90d97.54%-2.36%
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 126 incidents
Elevated errors
74%
Degraded
10%
Outage
7%
Auth & login
3%
Integrations
3%
Latency
2%
Other
1%
S
Sunday00:00–01:00 UTC
1incident
1 major
- Dispatch sessions not responding in Claude DesktopMar 29
Sunday11:00–12:00 UTC
1incident
1 minor
- Delayed response completion on Claude.aiMar 22
Sunday17:00–18:00 UTC
1incident
1 major
- Claude Desktop app unresponsiveMar 8
Sunday18:00–19:00 UTC
1incident
1 critical
- Claude.ai and Claude login downMar 22
4
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
2incidents
2 minor
- Elevated errors for Claude Opus 4.7Jun 1
- Elevated errors on Claude.aiMar 16
Monday13:00–14:00 UTC
3incidents
3 minor
- Elevated errors on Claude Opus 4.5 and Sonnet 4.5May 4
- Elevated errors for uploading filesApr 20
- Elevated errors on Claude.aiMar 16
Monday14:00–15:00 UTC
3incidents
3 minor
- Elevated errors on Claude Sonnet 4.6Jun 1
- Elevated errors on Claude Opus 4.7May 4
- Elevated errors on Claude Sonnet 4.6Mar 16
Monday15:00–16:00 UTC
2incidents
1 critical1 major
- Claude.ai downApr 13
- Elevated errors on Claude.aiApr 6
Monday17:00–18:00 UTC
1incident
1 minor
- Elevated errors on Claude.ai [retroactive]Mar 23
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
19
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
3incidents
3 minor
- Elevated errors on Claude Opus 4.7May 19
- Elevated errors on Claude Opus 4.6Mar 31
- Elevated errors on Claude Sonnet 4.6Mar 17
Tuesday09:00–10:00 UTC
2incidents
2 minor
- Degraded service on usage and analytics admin API endpointsApr 14
- Elevated errors on Claude Opus 4.6Mar 17
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 errors on Claude Opus 4.7May 19
- Elevated errors on Claude.aiApr 7
- Elevated errors on Claude Sonnet 4.6Mar 17
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
3incidents
3 major
- Elevated errors for Claude Sonnet 4.6 and Haiku 4.5May 12
- Opus 4.6 and Sonnet 4.6 error rate elevatedMar 31
- Elevated errors on Claude Opus 4.6Mar 17
Tuesday20:00–21:00 UTC
1incident
1 major
- Unavailable connectors in Claude.ai desktop applicationsMar 31
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
22
W
Wednesday01:00–02:00 UTC
1incident
1 minor
- Elevated errors and latency on Claude Haiku 4.5Apr 1
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
2incidents
2 major
- Sonnet 4.6 elevated rate of errorsApr 8
- Elevated errors on Claude Opus 4.6Mar 18
Wednesday07:00–08:00 UTC
2incidents
1 major1 minor
- Elevated errors on Opus 4.7Jun 3
- Elevated timeouts on requests to Claude Opus 4.6 and Sonnet 4.6Apr 1
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
Wednesday09:00–10:00 UTC
2incidents
1 major1 minor
- Elevated errors on requests to Claude Opus 4.6Apr 1
- Elevated errors on Claude Opus 4.6Mar 25
Wednesday11:00–12:00 UTC
1incident
1 major
- Claude.ai is experiencing elevated error ratesMay 13
Wednesday12:00–13:00 UTC
2incidents
2 major
- Claude.ai is experiencing elevated error ratesMay 13
- Increased errors on Opus 4.6Mar 18
Wednesday13:00–14:00 UTC
1incident
1 minor
- Elevated errors on Claude Haiku 4.5Apr 29
Wednesday14:00–15:00 UTC
4incidents
1 critical3 minor
- Elevated errors on Claude Opus 4.7May 20
- Elevated errors on Claude.ai, API, Claude CodeApr 15
- Elevated connection reset errors in CoworkMar 25
- + 1 more
Wednesday15:00–16:00 UTC
3incidents
3 major
- Elevated errors across multiple modelsMay 6
- Elevated errors on Claude Opus 4.6Mar 25
- Elevated errors on Claude.aiMar 18
Wednesday17:00–18:00 UTC
1incident
1 minor
- Elevated errors on Claude.ai, API, Claude CodeApr 8
Wednesday22:00–23:00 UTC
2incidents
2 major
- Connection failures for organizations restricting GitHub access by IP addressMay 6
- Errors on the Claude.ai desktop applicationApr 1
25
T
Thursday00:00–01:00 UTC
2incidents
1 major1 minor
- MCP apps unavailable on Claude.aiApr 23
- Elevated errors across surfacesMar 19
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
4incidents
1 critical3 minor
- Elevated errors on Claude Opus 4.7Apr 23
- Elevated errors on Claude Opus 4.6Mar 19
- Elevated errors on Claude Sonnet 4.6Mar 19
- + 1 more
Thursday16:00–17:00 UTC
3incidents
1 major2 minor
- Elevated Connector Error RatesApr 9
- Elevated errors on Claude Sonnet 4.6Mar 12
- Elevated errors on Claude Sonnet 4.6 and on Claude.aiMar 12
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
Thursday21:00–22:00 UTC
1incident
1 major
- Elevated errors on Claude Opus 4.6 and Sonnet 4.6Mar 26
Thursday22:00–23:00 UTC
2incidents
1 major1 minor
- Failures to add Credentials to VaultsApr 16
- Elevated errors for MCP callsMar 26
22
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
Friday06:00–07:00 UTC
1incident
1 major
- Elevated error rates on Opus 4.6Mar 27
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
2incidents
2 minor
- Elevated errors on Claude Sonnet 4.6May 8
- Elevated TCP three-way handshake failures on api.anthropic.comMar 6
Friday16:00–17:00 UTC
1incident
1 minor
- Elevated errors on requests to Claude modelsApr 10
Friday17:00–18:00 UTC
4incidents
1 major3 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
- + 1 more
Friday18:00–19:00 UTC
4incidents
3 major1 minor
- Elevated errors for Claude Opus 4.8May 29
- Errors uploading documents to Google Drive in Claude.aiApr 17
- Elevated errors on requests to Claude Sonnet 4.6Apr 3
- + 1 more
Friday22:00–23:00 UTC
1incident
1 major
- Claude Code IDE extension unable to load on WindowsMay 8
22
S
Saturday00:00–01:00 UTC
2incidents
2 major
- Email login downApr 11
- Elevated error rates on Claude Opus and Sonnet 4.6Mar 21
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
Saturday13:00–14:00 UTC
2incidents
2 minor
- Elevated errors on Opus 4.6 Fast ModeMar 28
- Elevated errors on Claude Haiku 4.5Mar 7
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
12
00
06
12
18
HOUR OF DAY · UTC126 incident starts · hover any cell for detail
Hottest hour
Wednesday 14:00 4
Worst day
Wednesday 25
Worst time of day
14:00–15:00 11
Typical fix
54m
half of incidents resolve faster
On a bad day
3h 23m
9 in 10 resolve faster than this
Distribution
<15m
15
15m–1h
55
1–4h
51
4–24h
8
24h+
3
+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