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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.”

Homepage

Pricing

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.

Pricing

Features

featflags and GrowthBook feature by feature
FeaturefeatflagsGrowthBook
TargetingRules on any attribute, individual targets, segments, prerequisites and uploaded lists of customer IDsAttribute rules with regex and semver operators, saved groups and ID lists; prerequisites on ProTargetingPricing
Percentage rolloutsPercentage 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 worsePercentage rollouts on every plan; safe rollouts with automatic rollback on ProRulesSafe rolloutsPricing
ApprovalsTeam and BusinessEnterpriseApproval flowsPricing
Scheduled changesTeam and BusinessScheduled rules on ProRulesPricing
Audit historyEvery 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 endpointFlag change history on every plan; exportable audit log on EnterprisePricingAudit logs
ExperimentsA/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 analysisBayesian 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 approvalsOfficial, hosted or run locally, on every plan. It creates flags and experimentsMCP serverPricing
SDKs14: TypeScript (on Cloudflare Workers and Vercel Edge too), React, React Native, Go, Python, Java, Rust, .NET, Ruby, PHP, Elixir, iOS, Android and Flutter24, including Cloudflare Workers, Fastly and React NativeSDKsPricing
OpenFeatureProviders for Go, Python, Java, .NET, Ruby, PHP, Elixir, iOS, Android and FlutterProviders for Python, Go, .NET and Java; JavaScript is pre-1.0OpenFeature
Self-hostingNo, hosted onlyYes: MIT core with enterprise code under its own licence; needs MongoDBSelf-hostingLicence
SSOGoogle and GitHub sign-in on every plan; SAML or OpenID Connect through your identity provider on Business. No SCIMOIDC; 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.

The CLI and the Terraform provider

When to pick GrowthBook instead

Other comparisons

Try featflags with your own flags

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