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featflags vs GrowthBook
Open-source experimentation and flags, priced per seat plus metered requests. Every claim about GrowthBook below links to its own docs or pricing, read on 12 and 15 October 2026.
Who GrowthBook is for
Product and data teams that run many experiments on their own data warehouse. GrowthBook calls itself “the warehouse-native platform used by modern product teams for experimentation, feature flags, and product analytics.”
HomepagePricing
featflags
Unlimited seats and flags on every plan, and no per-user pricing. Free has fixed limits and no overage. Team ([PRICE]/month) and Business ([PRICE]/month) include a monthly traffic allowance and charge [PRICE] per million above it.
Prices aren’t final yet; see pricing.
GrowthBook
Starter is free for up to 3 users, with 1M CDN requests a month. Pro is $40 per seat per month for up to 30 users, with 2M CDN requests included, then $10 per million, and bandwidth above 20 GB at $1 per GB. Enterprise is priced on request. The open-source edition is free to self-host.
PricingFeatures
| Feature | featflags | GrowthBook |
|---|---|---|
| Targeting | Rules on any attribute, individual targets, segments, prerequisites and uploaded lists of customer IDs | Attribute rules with regex and semver operators, saved groups and ID lists; prerequisites on ProTargetingPricing |
| Percentage rollouts | Percentage rollouts, time-based ramps and release templates on every plan; on Team and Business, templates that advance on their own and guarded releases that pause or roll back when a metric gets worse | Percentage rollouts on every plan; safe rollouts with automatic rollback on ProRulesSafe rolloutsPricing |
| Approvals | Team and Business | EnterpriseApproval flowsPricing |
| Scheduled changes | Team and Business | Scheduled rules on ProRulesPricing |
| Audit history | Every change with its diff and a restore; kept 7 days on Free, 1 year on Team, 3 years on Business. On Business, an organization-wide audit log with sign-ins, tokens and support access, exported or streamed to Datadog, Splunk or any HTTPS endpoint | Flag change history on every plan; exportable audit log on EnterprisePricingAudit logs |
| Experiments | A/B/n tests on any flag with Bayesian or sequential frequentist results: 1 running at a time on Free, 20 on Team, unlimited on Business. Bandits on Business. No CUPED, holdouts or warehouse analysis | Bayesian or frequentist, analysed in your own warehouse, on every plan; sequential testing, CUPED and bandits on Pro; holdouts on EnterprisePricingData warehouses |
| AI assistants (MCP) | Hosted, on every plan. It reads and changes flags as you, or read-only if you choose, and its changes go through your approvals | Official, hosted or run locally, on every plan. It creates flags and experimentsMCP serverPricing |
| SDKs | 14: TypeScript (on Cloudflare Workers and Vercel Edge too), React, React Native, Go, Python, Java, Rust, .NET, Ruby, PHP, Elixir, iOS, Android and Flutter | 24, including Cloudflare Workers, Fastly and React NativeSDKsPricing |
| OpenFeature | Providers for Go, Python, Java, .NET, Ruby, PHP, Elixir, iOS, Android and Flutter | Providers for Python, Go, .NET and Java; JavaScript is pre-1.0OpenFeature |
| Self-hosting | No, hosted only | Yes: MIT core with enterprise code under its own licence; needs MongoDBSelf-hostingLicence |
| SSO | Google and GitHub sign-in on every plan; SAML or OpenID Connect through your identity provider on Business. No SCIM | OIDC; custom SSO on Pro on the pricing page, Enterprise in the docsPricingSSO |
Moving from GrowthBook
There’s no importer for GrowthBook yet. Recreate your flags and segments in the dashboard, or script the move with the featflags CLI, the API or the Terraform provider.
When to pick GrowthBook instead
You want experiments analysed in your own data warehouse, on any plan, or CUPED (Pro) and holdouts (Enterprise).
Data warehousesPricingYou want to self-host under an open-source licence.
Self-hostingLicenceYou want updates pushed to SDKs as they happen, on every plan.
Pricing
Other comparisons
- featflags vs LaunchDarklyBoth have unlimited seats. LaunchDarkly also bills each server connection and each client-side user.
- featflags vs FlagsmithOpen source and self-hostable. The hosted plans bill API requests and team members.
- featflags vs UnleashOpen source and self-hostable, priced per seat on the paid plans.
- featflags vs ConfigCatClosest to us on pricing: unlimited seats and a usage meter, with flag caps on the cheaper plans.
- featflags vs PostHogFlags inside an analytics suite, billed per flag request, with no seat charge.
- featflags vs StatsigAn experimentation platform where flag checks are free. Now part of Amplitude.
Try featflags with your own flags
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