GitHub Actions vs Jenkins
2026年、最適なツールを選ぶための詳細比較
🏆 クイック判定
勝者: GitHub Actions
GitHub Actions is the better choice for most teams using GitHub, offering simpler setup and zero infrastructure management. Jenkins remains powerful for complex enterprise pipelines requiring full customization.
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📊 Visual Comparison
総合スコア比較
カテゴリー別分析
GitHub Actions ハイライト
- ✅ Native GitHub integration
- ✅ Huge marketplace of reusable actions
- 💰 Free / included with GitHub plans
Jenkins ハイライト
- ✅ Extremely flexible and customizable
- ✅ Thousands of plugins available
- 💰 Free (+ infrastructure costs)
機能比較
| Feature | GitHub Actions | Jenkins |
|---|---|---|
| Configuration | YAML files | Jenkinsfile (Groovy) or UI |
| Hosting | Cloud (GitHub-hosted runners) | Self-hosted |
| Self-hosted Runners | ✓ | Default mode |
| Marketplace | 15,000+ actions | 1,800+ plugins |
| Matrix Builds | ✓ | ✓ |
| Secrets Management | Built-in | Via plugins |
| Caching | Built-in | Via plugins |
| Artifacts | ✓ | ✓ |
| Environments | Deployment environments | Pipeline stages |
| Concurrency Control | ✓ | ✓ |
GitHub Actionsとは？
GitHub Actions is a CI/CD platform built directly into GitHub. It allows you to automate workflows triggered by repository events with a marketplace of community-built actions.
✅メリット
- •Native GitHub integration
- •Huge marketplace of reusable actions
- •Free tier for public repos
- •YAML-based configuration
- •Matrix builds for cross-platform testing
- •No infrastructure to manage
❌デメリット
- •Limited to GitHub repositories
- •Can be expensive for private repo heavy usage
- •Debugging workflows can be frustrating
- •Limited local testing options
- •Runner limitations on free tier
- •Complex workflows can become unwieldy YAML
Jenkinsとは？
Jenkins is the most widely used open-source automation server for CI/CD. It's highly extensible with thousands of plugins and can be configured to build, test, and deploy virtually anything.
✅メリット
- •Extremely flexible and customizable
- •Thousands of plugins available
- •Self-hosted with full control
- •Works with any VCS (not just GitHub)
- •Mature and battle-tested
- •Large community and extensive documentation
❌デメリット
- •Requires infrastructure management
- •Complex initial setup and maintenance
- •Dated UI/UX
- •Plugin compatibility issues
- •Groovy-based Jenkinsfile can be complex
- •Security requires careful configuration
料金比較
GitHub Actions
Free / included with GitHub plans
Free for public repos, usage-based for private
✓ 無料プランありView detailed pricing →📊詳細分析: GitHub Actions vs Jenkins
GitHub ActionsとJenkinsのどちらを選ぶかは、両ツールが現代のワークフローに魅力的な機能を提供しているため、難しい選択となることがあります。この包括的な比較では、機能や価格から実際のユースケースまで、あらゆる側面を分析し、情報に基づいた意思決定をお手伝いします。
GitHub Actions
GitHub Actions is a CI/CD platform built directly into GitHub. It allows you to automate workflows triggered by repository events with a marketplace of community-built actions.
Jenkins
Jenkins is the most widely used open-source automation server for CI/CD. It's highly extensible with thousands of plugins and can be configured to build, test, and deploy virtually anything.
🎯最適なユースケース
GitHub Actionsを選ぶべき時
- ✓チーム向け:
Native GitHub integration
- ✓中小企業向け:
Huge marketplace of reusable actions
- ✓エンタープライズ向け:
Free tier for public repos
Jenkinsを選ぶべき時
- ✓個人向け:
Extremely flexible and customizable
- ✓中小企業向け:
Thousands of plugins available
- ✓チーム向け:
Self-hosted with full control
🔍機能の詳細分析
Configuration
Hosting
Self-hosted Runners
Marketplace
Matrix Builds
Secrets Management
💰価格分析
GitHub Actions
Free for public repos, usage-based for private
✅ 無料プランありJenkins
Open source (self-hosted)
✅ 無料プランあり💡 Pro Tip
両ツールは無料トライアルまたは無料プランを提供しています。有料プランに加入する前に、実際のワークフローで両方をテストすることをお勧めします。
🏆おすすめ
広範な分析とテストの結果、私たちの見解は次のとおりです：GitHub ActionsとJenkinsはどちらも生産性を大幅に向上させる優れたツールです。最適な選択は、あなたの具体的なニーズ、ワークフロー、優先事項によって異なります。
Choose GitHub Actions if:
You use GitHub, want zero infrastructure management, need quick setup, or prefer a modern YAML-based configuration.
Choose Jenkins if:
You need maximum flexibility, support for non-GitHub repos, complex enterprise pipelines, or want full control over your CI/CD infrastructure.
よくある質問
For most GitHub-based teams, yes. GitHub Actions handles the majority of CI/CD needs with less complexity. However, Jenkins may still be needed for very complex enterprise pipelines.
最終結論：どちらを選ぶべき？
✨ GitHub Actionsを選ぶべき場合
You use GitHub, want zero infrastructure management, need quick setup, or prefer a modern YAML-based configuration.
✨ Jenkinsを選ぶべき場合
You need maximum flexibility, support for non-GitHub repos, complex enterprise pipelines, or want full control over your CI/CD infrastructure.