Team Chat Apps · reliability comparison
Google Chat vs Slack: which is more reliable? (2026)
Google Chat is more reliable than Slack, scoring 94.4 vs 41.6 out of 100. Over the last 90 days Google Chat reported 1 incident and Slack reported 8, with effective uptime of 99.98% and 97.89% respectively. Google Chat resolves incidents faster on average (2h 44m).
Data updated Nov 1, 2026 · How we score
| Metric | Google Chat | Slack |
|---|---|---|
| Reliability score | 94.4 | 41.6 |
| Rank (team chat apps) | #9 | #12 |
| Uptime (90 days) | 99.98% | 97.89% |
| Incidents (90 days) | 1 | 8 |
| Partial / major outages | 0 | 4 |
| Avg time to resolve | 2h 44m | 15h 28m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Google Chat and Slack differ
- Slack reported 8× as many incidents as Google Chat over the last 90 days (8 vs 1).
- Slack had 4 partial or major outages, compared with 0 for Google Chat.
- Google Chat fixes problems faster: 2h 44m on average, against 15h 28m for Slack (5.7× quicker).
- Google Chat's longest outage on record lasted 2h 3m (Feb 23, 2026); Slack's lasted 3d (Aug 13, 2026).
90-day uptime
Google Chat
Slack
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Google Chat incidents
- Degraded performanceAug 28, 2026 · resolved in 2h 44m
Affected: Google Chat
Recent Slack incidents
- Degraded performanceOct 22, 2026 · resolved (duration not published)
- Degraded performanceOct 14, 2026 · resolved in 6m
- Degraded performanceOct 9, 2026 · resolved (duration not published)
Incident: Slack for iOS closing unexpectedly when opening channels
- Partial outageOct 1, 2026 · resolved in 6h 20m
Incident: Free Plan Customers Are Experiencing Message Failuresofficial update ↗
- Partial outageSep 12, 2026 · resolved in 8h 56m
Incident: Some customers experiencing blurry image previews and download issuesofficial update ↗
- Degraded performanceSep 10, 2026 · resolved in 2h 40m
Incident: Trouble loading Workspace-level Apps & Workflows settings page is returning blank pages
Other team chat apps to consider
- Element · #1 · 100% uptime
- Flock · #2 · 100% uptime
- Mattermost · #3 · 100% uptime
- Rocket.Chat · #4 · 100% uptime