CircleCI vs GrowthBook
Fast, configurable CI/CD with Docker, ARM, GPU runners and orbs
vs. Open-source feature flags + experimentation — Warehouse Native
Pricing tiers
CircleCI
Free
$0. 6,000 build minutes/mo (Linux medium). 30 users. Unlimited projects.
Free
Performance
$15/mo (3 users). Credit-based: 80K-240K credits/mo bundles. More concurrency.
$15/mo
Scale
$2,000/mo+ (custom). High concurrency, self-hosted runner support, SSO.
$2000/mo
CircleCI Server
Custom. On-prem deployment of CircleCI. Enterprise only.
Custom
GrowthBook
Open Source (Self-Host)
MIT-licensed. Unlimited everything. Community support.
$0 base (usage-based)
Cloud — Starter (Free)
Up to 3 users. Unlimited flags + experiments. Warehouse Native included.
Free
Cloud — Pro
$40/user/month. Up to 50 users. Advanced stats, visual A/B editor, CUPED, sequential testing, bandits.
$40/mo
Cloud — Enterprise
Custom. Unlimited users, SSO/SAML, approval flows, data pipelines, exportable audit logs.
Custom
Self-Host Enterprise
Open Source + Enterprise license. Visual A/B editor, advanced metrics, SSO/SAML, approvals, training.
Custom
Free-tier quotas head-to-head
Comparing free on CircleCI vs oss on GrowthBook.
| Metric | CircleCI | GrowthBook |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
CircleCI · 17 features
- ARM + GPU Runners — ARM64 + T4 GPU resource classes.
- .circleci/config.yml — Single source of truth (YAML 2.1).
- Contexts — Org-scoped shared env vars.
- Deploy Markers — Track deployments + rollback.
- Docker Layer Caching — Reuse Docker layers.
- Dynamic Config — Generate config based on changed paths.
- Manual Approval — Gate workflows with manual step.
- Matrix Jobs — Parameterized parallel jobs.
- Orbs — Packaged reusable jobs + commands.
- Parallelism — Split a job across N parallel containers.
- Rerun with SSH — SSH into failed job.
- Restricted Contexts — RBAC for secrets.
- Scheduled Pipelines — Cron-triggered runs.
- Self-Hosted Runners — On your infra.
- Test Insights — Flaky test detection + trends.
- Test Splitting — By timings, filenames, classnames.
- Workflows (DAG) — Fan out, fan in, conditional.
GrowthBook · 15 features
- Approval Flows — Require reviewer approval on flag changes. Enterprise.
- Audit Logs — Full change history. Exportable on Enterprise.
- Dimensions & Slicing — Break down experiment results by user dimensions.
- Edge SDK Support — Cloudflare Workers, Lambda@Edge, Fastly, Akamai EdgeWorkers, Netlify Edge.
- Experiments — A/B/n with CUPED variance reduction + sequential testing.
- Feature Flags — Boolean + string + number + JSON flags with targeting.
- Feature Reviews (PR-style) — Draft → review → approve flag changes.
- Guardrail Metrics — Auto-monitor key metrics during experiments.
- Metric Catalog — Define + reuse metrics across experiments.
- Multi-Armed Bandits — Adaptive traffic allocation. Pro+.
- Safe Rollouts — Guarded gradual rollouts with automatic rollback.
- SSO / SAML — Enterprise SSO for cloud + self-host EE.
- Sticky Bucketing — User stays in variant even after eligibility changes.
- Visual A/B Test Editor — No-code DOM editor for web experiments. Pro+.
- Warehouse Native — Connect your warehouse + run experiments against your events data.
Developer interfaces
| Kind | CircleCI | GrowthBook |
|---|---|---|
| CLI | circleci CLI | — |
| SDK | — | Edge SDKs (CF Workers / Lambda@Edge / Fastly / Akamai), growthbook-android, growthbook-flutter, growthbook-go, growthbook-java, growthbook-node, growthbook-php, growthbook-python, growthbook-ruby, growthbook-swift, sdk-javascript, sdk-react |
| REST | CircleCI REST API v2 | GrowthBook REST API |
| OTHER | .circleci/config.yml, CircleCI Orbs Registry, CircleCI Webhooks, CircleCI Web UI, Self-Hosted Runner | Webhooks |
Staxly is an independent catalog of developer platforms. Outbound links to CircleCI and GrowthBook are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.