10 Best CI/CD Tools (2026)

The CI/CD landscape shifted in the past year. GitHub Actions now powers the majority of new CI/CD setups. Earthly shut down in July 2025. BuildJet closed March 2026 after GitHub's native larger/ARM runners eliminated its performance advantage. AI agents are running inside pipelines -- not just suggesting fixes, but autonomously creating merge requests to repair broken builds.

Here's where things stand in 2026, with verified pricing and honest assessments.

Quick comparison

1. GitHub Actions

GitHub Actions is the default CI/CD choice for most teams. If your code lives on GitHub, the integration is frictionless -- workflows trigger on pushes, PRs, issues, schedules, or 50+ event types. The marketplace has 20,000+ community-built actions for nearly any task.

Pricing (updated January 2026): The free tier provides 2,000 minutes/month on Linux runners. Public repos get unlimited free minutes. In January 2026, GitHub reduced hosted runner prices by ~40% but introduced a $0.002/min platform charge across all runners. For GitHub-hosted runners, the net effect is roughly neutral. The controversial part: self-hosted runners now incur the $0.002/min platform charge too, starting March 2026. Previously self-hosted was completely free. Public repo usage remains exempt.

What $0.002/min means: $0.12/hour. A team running 10,000 self-hosted minutes/month pays an additional $20/month. For large operations running hundreds of thousands of minutes, it's a meaningful cost increase.

The 2026 headline feature is Agentic Workflows (technical preview, February 2026). Instead of writing YAML, you add Markdown files to .github/workflows/ that describe automation goals in natural language. AI agents -- GitHub Copilot, Claude Code, or other coding agents -- execute these workflows in sandboxed containers with read-only permissions by default. Use cases include automated issue triage, PR review, CI failure diagnosis, and repository maintenance.

Best for: Any team with code on GitHub. The ecosystem, free tier, and integration depth make it the path of least resistance.

Limitation: Complex workflows still require YAML, and YAML debugging remains painful. The new self-hosted runner fee changes economics for large-scale self-hosted operations. For very large builds, consider Buildkite or self-managed Jenkins.

2. GitLab CI/CD

GitLab CI/CD is the strongest alternative for teams wanting a single platform -- repos, CI/CD, container registry, security scanning (SAST, DAST, dependency scanning), and project management under one roof.

Pricing: Free tier includes 400 compute minutes/month and 10 GiB transfer. Premium costs $29/user/month (SaaS) or $19/user/month (self-managed) with 10,000 CI/CD minutes. Ultimate costs $99/user/month with 50,000 minutes and full security suite. GitLab Duo Pro (AI add-on) is an additional $19/user/month.

GitLab Duo is the most mature AI-powered CI/CD assistant available today. Root Cause Analysis (GA since GitLab 17.3) reads CI job failure logs and identifies what went wrong using a three-phase methodology: summarization, analysis, and fix proposal. It supports Anthropic, OpenAI, and Mistral models. The Fix Pipeline Flow goes further -- it automatically creates merge requests with proposed fixes for syntax errors, compilation failures, and Docker build issues.

How it compares to GitHub Actions:

Best for: Teams who want one platform for the entire DevOps lifecycle, especially those needing built-in security scanning.

Limitation: Significantly more expensive than GitHub for small teams. The UI is dense. Self-hosted GitLab requires real operational investment -- plan for 4+ vCPUs and 8+ GB RAM minimum.

3. Jenkins

Jenkins is still the most widely deployed CI/CD server globally. It's free, open source (MIT license), and has 1,800+ plugins for virtually any integration.

Jenkins isn't standing still. CloudBees released its biggest update in over a decade -- workspace caching, pipeline explorer, build storm prevention, and high availability mode. The open-source project got a UI redesign, launched a bug bounty program in late 2025, and continues active governance.

Why teams still choose Jenkins:

• Zero vendor lock-in. Your pipelines run on your infrastructure, with your configuration, forever.
• Plugin ecosystem. 1,800+ plugins means you can integrate with almost anything: Docker, Kubernetes, Terraform, SonarQube, Snyk, Datadog, Sentry, and more.
• Unlimited scale. No per-minute charges, no credit limits. Your only cost is infrastructure.

Why teams leave Jenkins:

• Operational burden. You manage installation, updates, security patches, scaling, and backups.
• Pipeline syntax. Groovy-based Jenkinsfiles have a steep learning curve compared to YAML alternatives.
• No native AI. CloudBees offers some AI features, but open-source Jenkins has none.

Best for: Organizations that need total control over their CI/CD infrastructure and have the ops capacity (or Kubernetes automation) to manage it.

Limitation: The total cost of ownership includes dedicated DevOps engineering time. For teams under 20 developers, the operational overhead usually outweighs the cost savings versus a managed service.

4. CircleCI

CircleCI focuses on build speed and developer experience. Its credit-based pricing model offers granular control over compute allocation, though it can be confusing.

Pricing: Free tier provides 30,000 credits/month (~6,000 build minutes on small Linux containers) with up to 30 concurrent jobs and 5 active users. Performance starts at $15/month with 30,000 credits and 5 users included. Additional users cost 25,000 credits ($15) each. Credits cost $0.0006 each, sold in packs of 25,000 for $15. Bulk discounts reach 5% at 83.4M+ credits.

Performance highlights: CircleCI's 2026 State of Software Delivery report showed average throughput grew 59% year-over-year across 28 million workflows. ML-powered test splitting automatically distributes tests across parallel containers based on historical timing data, optimizing parallelism without manual configuration.

How it compares to GitHub Actions for build speed:

GitHub Actions runs on standard Azure VMs. CircleCI offers purpose-built compute classes optimized for CI workloads, including Docker layer caching and dependency caching that persists across builds. For test-heavy projects (especially Ruby, Python, and JavaScript), CircleCI's parallel test splitting can cut build times by 50-70%.

Best for: Teams with large test suites that benefit from aggressive parallelism and optimized compute.

Limitation: Credit-based pricing is genuinely confusing -- budget planning requires a spreadsheet. Mindshare is declining: WordPress VIP deprecated CircleCI support (March 2026 shutdown on their platform). The free tier is generous, but costs escalate quickly at scale.

5. Buildkite

Buildkite takes a hybrid approach: you run your own agents (build runners) on your own infrastructure, while Buildkite handles orchestration, scheduling, and the web UI.

Pricing: Personal (free) gives 1 active user, 3 concurrent jobs, and 500 hosted minutes/month. Pro ($30/user/month) provides unlimited self-hosted agents (10 included, then $2.50/agent/month), unlimited users, and 2,000 hosted minutes. Hosted Linux runners start at $0.013/min (2 vCPU) to $0.052/min (8 vCPU). Mac M4 runners: $0.18/min (6 vCPU) to $0.36/min (12 vCPU).

Unique feature -- LLM Proxy: Buildkite now offers a managed Anthropic model provider. Your pipelines access Claude (Sonnet, Opus, Haiku) through Buildkite's proxy with centralized authentication and billing. No need to manage API keys in pipeline secrets. This positions Buildkite as infrastructure for AI-powered CI/CD workflows -- code review agents, test generation, failure analysis, all running inside your existing pipelines.

Best for: Teams with specific infrastructure requirements (GPU builds, custom hardware, air-gapped environments) who want managed orchestration without giving up control of the build environment.

Limitation: The self-hosted agent model adds operational complexity. Pricing is steeper than GitHub Actions for small teams. The hosted runner options are newer and less feature-complete than GitHub's.

6. TeamCity

TeamCity is JetBrains' CI/CD server, strongest for teams already in the JetBrains ecosystem (IntelliJ, PyCharm, WebStorm, Rider).

Pricing: The free on-premises tier gives 3 build agents and 100 build configurations -- enough for many small-to-mid teams. TeamCity Cloud starts at $45/month for 3 committers (each committer gets 8,000 build credits). On-premises Enterprise starts at $2,399/year. Note: as of November 2025, new on-premises licenses no longer get the 50% renewal discount -- renewals are at full price.

AI Assistant (TeamCity 2025.11): The AI Assistant reads failure logs and provides root cause analysis with fix suggestions. The standout feature is natural language pipeline creation -- describe what you want ("Create a pipeline that builds my Go app, runs tests, and deploys to staging on AWS") and TeamCity generates the configuration. Currently Enterprise-only, with Cloud support planned.

MCP Support: TeamCity exposes its context to external AI agents via MCP (Model Context Protocol). This means AI coding assistants like Claude Code, Cursor, or Windsurf can directly query build status, read logs, and trigger builds through natural language.

Best for: JetBrains-heavy teams and .NET shops who want deep IDE integration and are willing to invest in setup.

Limitation: Steep learning curve for teams outside the JetBrains ecosystem. Cloud pricing is confusing (committer-based with credit limits). The free tier is generous for on-premises but requires self-hosting.

7. Azure DevOps Pipelines

Azure DevOps Pipelines provides 1 free Microsoft-hosted parallel job with 1,800 minutes/month. Additional Microsoft-hosted parallel jobs cost $40/month each (unlimited minutes). Self-hosted parallel jobs cost $15/month each.

The awkward truth: Microsoft is steering AI investment toward GitHub, not Azure DevOps. GitHub Copilot's agentic features, Copilot for PRs, and Copilot Workspace are all GitHub-exclusive. Microsoft has explicitly encouraged Azure DevOps customers to migrate repositories to GitHub for access to AI capabilities. Azure DevOps Pipelines continues to work and receive maintenance updates, but it's the legacy platform.

Why it still matters: Deep Azure integration. If your deployment target is Azure (App Service, AKS, Azure Functions), Azure DevOps Pipelines has the tightest native integration. The YAML pipeline syntax is mature, and the artifact management (Azure Artifacts) is solid.

Best for: Organizations deeply invested in Azure cloud infrastructure who aren't ready to migrate to GitHub.

Limitation: No Copilot pipeline AI. Feature development has slowed relative to GitHub Actions. New teams should default to GitHub Actions unless Azure integration is a hard requirement.

8. Bitbucket Pipelines

Bitbucket Pipelines is tightly integrated with Jira and the Atlassian ecosystem. Every build links back to Jira tickets and Confluence pages automatically.

Pricing: Free tier provides 50 build minutes/month -- the stingiest in this list. Standard ($3.65/user/month) includes 2,500 build minutes/month pooled across the workspace. Premium ($7.25/user/month) bumps to 3,500 minutes. Overage: $10 per 1,000 additional minutes.

The value proposition is narrow but clear: If your team runs on Atlassian (Jira + Confluence + Bitbucket), Pipelines keeps everything connected without integrating separate CI/CD tooling. Build status shows on Jira tickets. Deployment environments track in Jira. It's one less tool to configure.

Best for: Teams fully committed to the Atlassian ecosystem who want zero-config CI/CD integration.

Limitation: The free tier (50 minutes) is nearly useless for real projects. No meaningful AI features. Feature development is slow compared to GitHub Actions or GitLab CI. If your primary need is CI/CD (not Atlassian integration), there's no reason to choose Bitbucket Pipelines over GitHub Actions or GitLab CI.

9. Dagger

Dagger takes a fundamentally different approach: you write pipelines in Go, Python, or TypeScript -- real programming languages, not YAML. The open-source engine (Apache 2.0) runs pipelines identically on your laptop and in CI.

Why this matters: You can dagger call build locally and get the exact same result as CI. Debugging CI failures no longer means pushing commits to trigger a remote build. Set breakpoints, step through your pipeline, and fix issues locally. This is the single most frustrating thing about every other CI/CD tool, and Dagger solves it.

Pricing: The engine is free and open source. Dagger Cloud provides centralized telemetry, cache distribution across 26 regions, and pipeline visualization. Free for individual users. Team plan: $50/month flat for up to 10 users. Enterprise: custom pricing.

How it fits with other tools: Dagger isn't a CI trigger -- it's a CI engine. You still need GitHub Actions, GitLab CI, or another trigger to start the pipeline. Dagger runs inside that trigger. This means you can migrate between CI providers without rewriting pipelines. Write once in Go/Python/TypeScript, run anywhere.

Best for: Teams frustrated with YAML debugging who want portable, testable, locally-debuggable CI/CD pipelines.

Limitation: The learning curve is steeper than writing YAML (you're writing real code). Smaller community than established tools. It adds a layer of abstraction that some teams find unnecessary.

10. Travis CI

Travis CI still shows up in searches, but it's hard to recommend for new projects.

History: Travis CI pioneered cloud CI/CD for open source, but removing free open-source CI in 2020 destroyed its community. It has never recovered.

Pricing: Usage Based starts at $15/month with 35,000 Linux build credits and 80 concurrent jobs. Unlimited plans start at $78/month with unlimited credits. Server (on-premises) is $34/month. Annual billing saves 8%.

What's left: Travis CI continues operating for paying customers. The YAML configuration syntax is simple. On-premises deployment supports Perforce and Subversion (rare among modern CI tools). But there are no meaningful AI features, no competitive advantage in performance, and a declining ecosystem.

Best for: Legacy projects deeply embedded in Travis CI that would cost more to migrate than to maintain.

Limitation: No competitive advantage over any tool above. Declining community and marketplace support.

How to Choose: Decision Framework

By ecosystem:

By priority:

By team size:

Solo / 1-5 devs: GitHub Actions Free (2,000 min/mo). Done.

5-20 devs: GitHub Actions Free or GitLab Free (400 min/mo). If you outgrow free, GitHub Team ($4/user) or GitLab Premium ($29/user) depending on whether you want all-in-one.

20-100 devs: Evaluate build volume. GitHub Actions or GitLab for managed. Jenkins or Buildkite if you need self-hosted control. CircleCI if test parallelism is the bottleneck.

100+ devs: Platform decision matters. GitLab Ultimate for enterprise DevSecOps. GitHub Enterprise for ecosystem breadth. Jenkins + Kubernetes for maximum control. Buildkite for hybrid (self-hosted agents + managed orchestration).

FAQ

Is Jenkins dead?
No. It's the most deployed CI/CD server globally, actively maintained, and got its biggest CloudBees update in a decade. But cloud-native alternatives win most new projects. Jenkins's sweet spot is organizations with strict infrastructure control requirements and the ops team to support it.

Should I use GitHub Actions or GitLab CI?
If your code is on GitHub, use Actions. If you want repos + CI + security + project management in one platform, consider GitLab. If you're choosing between platforms, GitHub has a larger ecosystem and lower starting cost; GitLab has more mature AI CI features and built-in security scanning.

What happened to Earthly and BuildJet?
Earthly shut down its cloud service in July 2025, citing inability to monetize compute as a commodity. The open-source Earthly project was offered as a community fork. BuildJet closed March 2026 because GitHub's native larger/ARM runners eliminated the performance gap BuildJet was built to fill.

How much does CI/CD actually cost for a team of 10?

• GitHub Actions Free: $0 (2,000 min/mo is enough for most small teams)
• GitLab Premium: ~$290/month ($29/user x 10)
• CircleCI Performance: $15/month base + credits as needed
• Jenkins: $0 software cost + $50-200/month infrastructure + engineering time
• Buildkite Pro: $300/month ($30/user x 10) + hosted runner costs

What about Argo CD, Tekton, Spinnaker, and Harness?
These are primarily continuous delivery/deployment tools, not CI tools. Argo CD and Tekton handle Kubernetes-native GitOps deployments. Spinnaker is a multi-cloud deployment platform. Harness is a full CD platform with verification. They complement the CI tools on this list rather than competing with them. If your bottleneck is deployment (not building/testing), look at these separately.

Explore more DevOps tools in our developer tools categories or compare specific options with our comparison tool.