Code Hosting & CI/CD · reliability comparison
Buildkite vs GitHub Actions: which is more reliable? (2026)
Buildkite is more reliable than GitHub Actions, scoring 65.8 vs 55.7 out of 100. Over the last 90 days Buildkite reported 29 incidents and GitHub Actions reported 20, with effective uptime of 99.57% and 98.91% respectively. Buildkite resolves incidents faster on average (1h 32m).
Data updated Nov 1, 2026 · How we score
| Metric | Buildkite | GitHub Actions |
|---|---|---|
| Reliability score | 65.8 | 55.7 |
| Rank (code hosting & CI platforms) | #6 | #9 |
| Uptime (90 days) | 99.57% | 98.91% |
| Incidents (90 days) | 29 | 20 |
| Partial / major outages | 5 | 8 |
| Avg time to resolve | 1h 32m | 2h 21m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Buildkite and GitHub Actions differ
- Buildkite reported 45% more incidents than GitHub Actions over the last 90 days (29 vs 20).
- GitHub Actions had 8 partial or major outages, compared with 5 for Buildkite.
- Buildkite fixes problems faster: 1h 32m on average, against 2h 21m for GitHub Actions.
- Buildkite's longest outage on record lasted 6h 47m (Sep 9, 2026); GitHub Actions's lasted 4h 30m (Oct 21, 2026).
90-day uptime
Buildkite
GitHub Actions
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Buildkite incidents
- Degraded performanceOct 29, 2026 · resolved in 2h 1m
Affected: Job Queue
- Degraded performanceOct 28, 2026 · resolved in 32m
Increased latency and error rates
Affected: REST API, Agent API
- InformationalOct 26, 2026 · resolved in <1m
- InformationalOct 24, 2026 · resolved in <1m
Affected: REST API, Web, Agent API, Remote MCP Server, Job Queue
- Degraded performanceOct 22, 2026 · resolved in 46m
Delays with Hosted Agents jobs
Affected: Hosted Agents
- InformationalOct 20, 2026 · resolved in 1d
Recent GitHub Actions incidents
- Partial outageOct 30, 2026 · resolved in 1h 33m
Incident with Actions, Pages, and Webhooks
Affected: Webhooks, Actions, Pages
- Degraded performanceOct 26, 2026 · resolved in 9m
Incident with Actions, Issues, API Requests and Pull Requests
Affected: API Requests, Issues, Pull Requests, Actions
- Degraded performanceOct 23, 2026 · resolved in 36m
Delayed Actions status check results
Affected: Actions
- Degraded performanceOct 22, 2026 · resolved in 11h 2m
Affected: API Requests, Issues, Pull Requests, Actions, Packages
- Degraded performanceOct 22, 2026 · resolved in 1h 1m
Affected: Actions
- Major outageOct 21, 2026 · resolved in 4h 30m
Delays for Pull Requests and Webhook deliveriesofficial update ↗
Affected: Webhooks, Pull Requests, Actions
Other code hosting & CI platforms to consider
- Bitrise · #1 · 99.90% uptime
- Depot · #2 · 99.89% uptime
- GitLab · #3 · 100% uptime
- Bitbucket · #4 · 99.74% uptime
See the full most reliable code hosting & ci/cd platforms ranking →