GitHub Actions vs Buildkite
CI/CD native to GitHub — workflows + marketplace + hosted runners
vs. Hybrid CI/CD — your compute, their orchestration. Built for scale.
Pricing tiers
GitHub Actions
Public Repos
$0. Free unlimited minutes on hosted runners (Linux). No private runners.
$0 base (usage-based)
Free (Personal)
$0. 2,000 minutes/mo private repos (Linux). 500MB Packages storage.
Free
Per-minute Overage
$0.008/min Linux ($0.08 macOS, $0.016 Windows) after included minutes.
$0/mo
Team
$4/user/mo. 3,000 minutes/mo. 2GB storage. Org management.
$4/mo
Enterprise
$21/user/mo. 50,000 minutes/mo. 50GB storage. SAML SSO, audit.
$21/mo
Buildkite
Free (Developer)
$0. Unlimited jobs on self-hosted agents. 10K jobs/mo on Buildkite Hosted.
Free
Buildkite Hosted (usage)
Per-minute on Buildkite-hosted agents. $0.002/min Linux baseline.
$0/mo
Pro
$20/user/mo. SSO. Audit log. Support. Unlimited self-hosted.
$20/mo
Enterprise
Custom. SAML, RBAC, audit SLA, dedicated support.
Custom
Free-tier quotas head-to-head
Comparing free on GitHub Actions vs free on Buildkite.
| Metric | GitHub Actions | Buildkite |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
GitHub Actions · 18 features
- Actions Cache — Persistent cache across runs.
- Actions Marketplace — 20K+ reusable actions.
- ARC (K8s Controller) — Autoscale self-hosted on K8s.
- Artifacts — Upload/download job outputs.
- Composite Actions — Actions made of other actions.
- Concurrency Groups — Cancel / queue overlapping runs.
- Container Jobs — Run a whole job in a Docker image.
- Environments + Approvals — Gate deploys with manual approval.
- Job Summaries — Markdown summaries in UI.
- Larger Runners — 4-64 vCPU, ARM, GPU.
- Matrix Strategy — Fan out over axes.
- OIDC Cloud Auth — Exchange JWT for cloud credentials.
- Reusable Workflows — workflow_call.
- Secrets + Variables — Encrypted org/repo/env secrets.
- Self-Hosted Runners — Your own runners.
- Service Containers — Sidecar containers (DBs, Redis) per job.
- Triggers — push, pull_request, schedule, workflow_dispatch, etc.
- Workflows — Event-driven YAML workflows.
Buildkite · 17 features
- Agent Queues — Route jobs to specific agents by tag.
- Annotations — Rich Markdown in build UI.
- Artifacts — Upload + download build artifacts.
- Audit Log — Enterprise audit.
- Automatic Cancel — Cancel stale builds on new push.
- Automatic + Manual Retries — Configurable retry semantics.
- Buildkite Hosted Agents — Managed agents (opt-in).
- Dynamic Pipelines — Generate YAML in a command step.
- input Step — Block for user input.
- Parallelism — Parallel step scaling with BUILDKITE_PARALLEL_JOB.
- Pipelines — YAML + optional dynamic upload.
- Plugins — Agent-level lifecycle hooks.
- Secrets (Vault) — Integrate with HashiCorp Vault, SSM.
- Teams + RBAC — Enterprise permissions.
- Test Engine — Flaky test + timing insights.
- trigger Step — Fire another pipeline.
- wait Step — Sync point in pipeline.
Developer interfaces
| Kind | GitHub Actions | Buildkite |
|---|---|---|
| CLI | gh run CLI | bk (Buildkite CLI) |
| SDK | @actions/* toolkit | — |
| REST | GitHub Actions REST API | Buildkite REST API |
| GRAPHQL | GitHub GraphQL (Actions) | Buildkite GraphQL API |
| OTHER | Actions Marketplace, Actions Tab (Web), workflow_* webhooks, Workflow YAML | Buildkite Agent, Buildkite Dashboard, Buildkite Plugins, pipeline.yml |
Staxly is an independent catalog of developer platforms. Outbound links to GitHub Actions and Buildkite are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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