Uptime50%
53.9
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 7d
Composite Score
0.0/100
uptime · freq · sev · mttr
▼ 50.0 vs prior 7d
Uptime
0.00%
critical + 0.3 × major (Statuspage formula)
Incidents
0
top type: elevated errors
Median MTTR
1h 23m
bad day: 5h 44m
Component
Incidents
Down (attr.)
Median MTTR
Last
Frequency20%
65.4
Severity20%
29.4
MTTR10%
40.8
SLA Compliance
How often does this provider clear their stated availability target?
Anthropic Commercial Terms · 99.90% · source ↗
✕ last 7d98.66%-1.24%
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 17 incidents
Elevated errors
82%
Outage
6%
Auth & login
6%
Other
6%
S
0
M
Monday07:00–08:00 UTC
2incidents
2 minor
- Fable 5 requiring usage credits on Max plansJul 20
- Elevated error rates for Opus 4.5Jul 20
Monday13:00–14:00 UTC
1incident
1 minor
- Elevated errors on Haiku 4.5Jul 20
Monday14:00–15:00 UTC
1incident
1 minor
- Elevated errors for Claude Opus 4.8Jul 20
4
T
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
Tuesday21:00–22:00 UTC
1incident
1 major
- Partial outage of claude.ai: container creationJul 14
4
W
Wednesday14:00–15:00 UTC
1incident
1 minor
- Elevated errors on multiple modelsJul 15
1
T
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
4
F
Friday06:00–07:00 UTC
1incident
1 minor
- Elevated errors on Sonnet 5 and Haiku 4.5Jul 17
Friday14:00–15:00 UTC
1incident
1 minor
- Elevated errors for Claude Opus 4.8Jul 17
Friday18:00–19:00 UTC
2incidents
2 major
- Elevated errors across Fable 5Jul 17
- Elevated error rates for Sonnet 5Jul 17
4
S
0
00
06
12
18
HOUR OF DAY · UTC17 incident starts · hover any cell for detail
Hottest hour
Monday 07:00 2
Worst day
Monday 4
Worst time of day
07:00–08:00 3
Typical fix
1h 11m
half of incidents resolve faster
On a bad day
5h 44m
9 in 10 resolve faster than this
Distribution
<15m
2
15m–1h
2
1–4h
7
4–24h
5
24h+
0
+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