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 30d
Composite Score
0.0/100
uptime · freq · sev · mttr
▼ 2.5 vs prior 30d
Uptime
0.00%
critical + 0.3 × major (Statuspage formula)
Incidents
0
top type: elevated errors
Median MTTR
1h 9m
bad day: 6h 32m
Component
Incidents
Down (attr.)
Median MTTR
Last
Frequency20%
65.7
Severity20%
0.1
MTTR10%
42.4
SLA Compliance
How often does this provider clear their stated availability target?
Anthropic Commercial Terms · 99.90% · source ↗
✕ last 30d64.23%-35.67%
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 38 incidents
Elevated errors
86%
Other
5%
Outage
2%
Auth & login
2%
Integrations
2%
Degraded
2%
S
0
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
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
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
2incidents
2 minor
- Elevated errors for Claude Opus 4.8Jul 20
- Elevated errors on Claude Haiku 4.5Jul 13
Monday19:00–20:00 UTC
2incidents
1 critical1 minor
- Elevated errors on Claude.aiJul 6
- Elevated errors across many modelsJun 22
Monday21:00–22:00 UTC
1incident
1 minor
- Claude Tag seeing elevated GitHub operation failuresJul 6
12
T
Tuesday06:00–07:00 UTC
2incidents
2 minor
- Elevated errors on Claude Sonnet 5Jul 7
- Elevated errors for Claude Opus 4.8Jun 23
Tuesday14:00–15:00 UTC
2incidents
1 critical1 minor
- Elevated error rates on Opus 4.8Jun 30
- Elevated error rate across multiple modelsJun 23
Tuesday18:00–19:00 UTC
1incident
1 minor
- Claude.ai is experiencing elevated error ratesJun 23
Tuesday20:00–21:00 UTC
1incident
1 major
- Elevated errors for some modelsJul 7
Tuesday21:00–22:00 UTC
1incident
1 major
- Partial outage of claude.ai: container creationJul 14
7
W
Wednesday06:00–07:00 UTC
1incident
1 minor
- Elevated errors on Claude Sonnet 5Jul 8
Wednesday12:00–13:00 UTC
1incident
1 minor
- Issues authorizing to MCP ServersJul 8
Wednesday13:00–14:00 UTC
1incident
1 minor
- Elevated error rate on Claude Opus 4.8Jun 24
Wednesday14:00–15:00 UTC
1incident
1 minor
- Elevated errors on multiple modelsJul 15
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
6
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
Thursday08:00–09:00 UTC
2incidents
2 minor
- Elevated errors for Claude Opus 4.7Jul 16
- Elevated errors on Claude Sonnet 5Jul 16
Thursday09:00–10:00 UTC
1incident
1 major
- Enterprise SSO sign-in failuresJul 16
Thursday18:00–19:00 UTC
1incident
1 major
- Elevated errors for multiple modelsJul 16
6
F
Friday06:00–07:00 UTC
1incident
1 minor
- Elevated errors on Sonnet 5 and Haiku 4.5Jul 17
Friday14:00–15:00 UTC
2incidents
2 minor
- Elevated errors for Claude Opus 4.8Jul 17
- Elevated errors for Claude Opus 4.8Jul 10
Friday18:00–19:00 UTC
2incidents
2 major
- Elevated errors across Fable 5Jul 17
- Elevated error rates for Sonnet 5Jul 17
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
7
S
Saturday00:00–01:00 UTC
1incident
1 critical
- We’ve suspended access to Claude Mythos 5 and Claude Fable 5Jun 13
1
00
06
12
18
HOUR OF DAY · UTC39 incident starts · hover any cell for detail
Hottest hour
Monday 07:00 3
Worst day
Monday 12
Worst time of day
14:00–15:00 7
Typical fix
1h 7m
half of incidents resolve faster
On a bad day
6h 32m
9 in 10 resolve faster than this
Distribution
<15m
6
15m–1h
12
1–4h
13
4–24h
8
24h+
1
+0 ongoing (not counted above)
MTTR Trend (12 weeks)
Are they recovering faster or slower over time? Lower is better.
98m worstnow 83m
12 weeks agodelta +54m (worse)now
Showing 13 of 200 · 4 of 95 daysLatest first
MON, JUL 202026-07-204 incidents
FRI, JUL 172026-07-174 incidents
THU, JUL 162026-07-164 incidents
WED, JUL 152026-07-151 incident