feature-flags
GrowthBook
Open-source feature flags + experimentation — Warehouse Native
OSS-first feature flags + A/B testing platform. Warehouse Native (runs analytics against YOUR data warehouse). Self-host free or managed cloud. MIT-licensed core.
Pricing
| Tier | Price | Notes |
|---|---|---|
| Open Source (Self-Host) | Free | MIT-licensed. Unlimited everything. Community support. |
| Cloud — Starter (Free) | Free | Up to 3 users. Unlimited flags + experiments. Warehouse Native included. |
| Cloud — Pro | $40/mo | $40/user/month. Up to 50 users. Advanced stats, visual A/B editor, CUPED, sequential testing, bandits. |
| Cloud — Enterprise | Custom | Custom. Unlimited users, SSO/SAML, approval flows, data pipelines, exportable audit logs. |
| Self-Host Enterprise | Custom | Open Source + Enterprise license. Visual A/B editor, advanced metrics, SSO/SAML, approvals, training. |
Limits
| Tier | Metric | Value | Notes |
|---|---|---|---|
| — | bandits | Multi-arm bandit experiments available on Pro+ | Multi-armed bandits |
| — | data sources | Postgres, MySQL, BigQuery, Snowflake, Redshift, Athena, Databricks, ClickHouse, PrestoDB, MSSQL, MongoDB, Mixpanel, GA4 | Warehouse sources |
| — | free trial pro | 14-day free trial on Pro | Pro trial |
| — | license | MIT (core) | Core license |
| — | stat engines | Bayesian + frequentist, CUPED, sequential testing | Statistical engines |
| — | traffic mau policy | Unlimited on all plans | No MAU cap |
| — | unlimited flags | Unlimited feature flags + experiments | Unlimited flags |
| — | warehouse native | Included in Free + Pro — runs analytics against your DW | Warehouse Native |
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. · docs
- 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. · docs
Developer interfaces
| Slug | Name | Kind | Version |
|---|---|---|---|
| sdk-edge | Edge SDKs (CF Workers / Lambda@Edge / Fastly / Akamai) | sdk | 1.x |
| sdk-android | growthbook-android | sdk | 1.x |
| sdk-flutter | growthbook-flutter | sdk | 2.x |
| sdk-go | growthbook-go | sdk | 0.x |
| sdk-java | growthbook-java | sdk | 0.x |
| sdk-node | growthbook-node | sdk | 0.x |
| sdk-php | growthbook-php | sdk | 1.x |
| sdk-python | growthbook-python | sdk | 1.x |
| rest-api | GrowthBook REST API | rest | v1 |
| sdk-ruby | growthbook-ruby | sdk | 1.x |
| sdk-ios | growthbook-swift | sdk | 1.x |
| sdk-js | sdk-javascript | sdk | 1.x |
| sdk-react | sdk-react | sdk | 1.x |
| webhooks | Webhooks | other | — |
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Staxly is an independent catalog of developer platforms. Outbound links to GrowthBook are plain references to their official pages. Pricing is verified at publication time — reconfirm on the vendor site before buying.