CRM Software · reliability comparison

Attio vs Copper: which is more reliable? (2026)

Copper is more reliable than Attio, scoring 100.0 vs 57.9 out of 100. Over the last 90 days Attio reported 4 incidents and Copper reported 0, with effective uptime of 99.38% and 100% respectively.

Data updated Nov 1, 2026 · How we score

Attio

57.9/100

Operational

Visit Attio ↗

Copper

100.0/100

Operational

Visit Copper ↗
VS
MetricAttioCopper
Reliability score57.9100.0
Rank (CRMs)#8—
Uptime (90 days)99.38%100%
Incidents (90 days)40
Partial / major outages10
Avg time to resolve23h 45m—
Outages we detected00
Transparency score100/100100/100

Where Attio and Copper differ

  • Copper reported no incidents in the last 90 days, while Attio reported 4.
  • Attio had 1 partial or major outage, compared with 0 for Copper.
  • Attio's longest outage on record lasted 1d 23h (Jul 21, 2026); Copper's lasted 1h 41m (Feb 25, 2026).

90-day uptime

Attio

Aug 5, 2026 – Sep 7, 2026: no incidentsSep 8, 2026: 96.63% uptime, 1 incident (Partial outage)Sep 9, 2026 – Sep 27, 2026: no incidentsSep 28, 2026: 97.45% uptime, 1 incident (Degraded performance)Sep 29, 2026 – Oct 5, 2026: no incidentsOct 6, 2026: 95.33% uptime, 2 incidents (Degraded performance)Oct 7, 2026: 85.00% uptime, 2 incidents (Degraded performance)Oct 8, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 9, 2026: 85.47% uptime, 1 incident (Degraded performance)Oct 10, 2026 – Nov 2, 2026: no incidents
90 days ago99.387% average daily uptimeToday

Copper

Aug 5, 2026 – Nov 2, 2026: no incidents
90 days ago100% average daily uptimeToday

Recent Attio incidents

Full Attio reliability report →

Recent Copper incidents

No incidents reported by Copper in the last 90 days.

Full Copper reliability report →

Other CRMs to consider

See the full most reliable crm software ranking →