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.
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).
Claude — Incidents by Day last 14d
MinorMajorCritical
Total 25 incidents
0
1
2
3
4
07-0707-0907-1107-1307-1507-1707-1907-21
Worst Incidents
Ranked by severity-weighted duration (impact × wall-clock). Click any incident for the full update timeline.
Type of Failure
Categorised from the public incident headlines (outage / latency / auth / etc.).
Elevated errors
22
81%
Outage
1
4%
Auth & login
1
4%
Integrations
1
4%
Degraded
1
4%
Other
1
4%
When It Breaks
Incident starts by weekday × hour, UTC. Hover a cell for incident detail.
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
2incidents
2 minor
Elevated errors for Claude Opus 4.8Jul 20
Elevated errors on Claude Haiku 4.5Jul 13
Monday21:00–22:00 UTC
1incident
1 minor
Claude Tag seeing elevated GitHub operation failuresJul 6
6
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
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
5
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
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
5
T
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
5
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
5
S
0
00
06
12
18
HOUR OF DAY · UTC26 incident starts · hover any cell for detail
Hottest hour
Monday 07:00 2
Worst day
Monday 6
Worst time of day
14:00–15:00 5
How fast they fix things
Distribution of resolution times alongside the 12-week trend so you can see whether they're getting faster or slower.
Typical fix
1h 35m
half of incidents resolve faster
On a bad day
7h
9 in 10 resolve faster than this
Distribution
<15m
3
15m–1h
5
1–4h
10
4–24h
7
24h+
0
+1 ongoing (not counted above)
MTTR Trend (12 weeks)
Are they recovering faster or slower over time? Lower is better.