Email Marketing Platforms · reliability comparison

beehiiv vs Mailchimp: which is more reliable? (2026)

beehiiv is more reliable than Mailchimp, scoring 88.6 vs 55.1 out of 100. Over the last 90 days beehiiv reported 1 incident and Mailchimp reported 7, with effective uptime of 99.90% and 99.28% respectively. beehiiv resolves incidents faster on average (4h 13m).

Data updated Nov 1, 2026 · How we score

beehiiv

88.6/100

Operational

Visit beehiiv ↗

Mailchimp

55.1/100

Operational

Visit Mailchimp ↗
VS
MetricbeehiivMailchimp
Reliability score88.655.1
Rank (email marketing platforms)#9#13
Uptime (90 days)99.90%99.28%
Incidents (90 days)17
Partial / major outages10
Avg time to resolve4h 13m1d 1h
Outages we detected00
Transparency score100/100100/100

Where beehiiv and Mailchimp differ

  • Mailchimp reported 7× as many incidents as beehiiv over the last 90 days (7 vs 1).
  • beehiiv had 1 partial or major outage, compared with 0 for Mailchimp.
  • beehiiv fixes problems faster: 4h 13m on average, against 1d 1h for Mailchimp (6.1× quicker).
  • beehiiv's longest outage on record lasted 4h 19m (Nov 18, 2025); Mailchimp's lasted 3d (Oct 9, 2026).

90-day uptime

beehiiv

Aug 5, 2026 – Aug 20, 2026: no incidentsAug 21, 2026: 91.22% uptime, 1 incident (Partial outage)Aug 22, 2026 – Nov 2, 2026: no incidents
90 days ago99.902% average daily uptimeToday

Mailchimp

Aug 5, 2026 – Aug 12, 2026: no incidentsAug 13, 2026: 100% uptime, 1 incident (Degraded performance)Aug 14, 2026 – Sep 10, 2026: no incidentsSep 11, 2026: 98.36% uptime, 1 incident (Degraded performance)Sep 12, 2026 – Oct 8, 2026: no incidentsOct 9, 2026: 97.81% uptime, 1 incident (Degraded performance)Oct 10, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 11, 2026: 85.00% uptime, 1 incident (Degraded performance)Oct 12, 2026: 87.18% uptime, 1 incident (Degraded performance)Oct 13, 2026 – Oct 26, 2026: no incidentsOct 27, 2026: 94.68% uptime, 1 incident (Degraded performance)Oct 28, 2026: 88.47% uptime, 1 incident (Degraded performance)Oct 29, 2026: 100% uptime, 1 incident (Degraded performance)Oct 30, 2026 – Nov 2, 2026: no incidents
90 days ago99.294% average daily uptimeToday

Recent beehiiv incidents

Full beehiiv reliability report →

Recent Mailchimp incidents

Full Mailchimp reliability report →

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