Team Chat Apps · reliability comparison

Google Chat vs Zulip: which is more reliable? (2026)

Zulip is more reliable than Google Chat, scoring 100.0 vs 94.4 out of 100. Over the last 90 days Google Chat reported 1 incident and Zulip reported 0, with effective uptime of 99.98% and 100% respectively.

Data updated Nov 1, 2026 · How we score

Google Chat

94.4/100

Operational

Visit Google Chat ↗

Zulip

100.0/100

Operational

Visit Zulip ↗
VS
MetricGoogle ChatZulip
Reliability score94.4100.0
Rank (team chat apps)#9#6
Uptime (90 days)99.98%100%
Incidents (90 days)10
Partial / major outages00
Avg time to resolve2h 44m—
Outages we detected00
Transparency score100/100100/100

Where Google Chat and Zulip differ

  • Zulip reported no incidents in the last 90 days, while Google Chat reported 1.
  • Google Chat's longest outage on record lasted 2h 3m (Feb 23, 2026); Zulip's lasted 3h 55m (Mar 26, 2026).

90-day uptime

Google Chat

Aug 5, 2026 – Aug 27, 2026: no incidentsAug 28, 2026: 98.29% uptime, 1 incident (Degraded performance)Aug 29, 2026 – Nov 2, 2026: no incidents
90 days ago99.981% average daily uptimeToday

Zulip

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

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