compare
flagd vs GrowthBook
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | flagd | GrowthBook |
|---|---|---|
| Language | Go | TypeScript |
| Licence | Apache-2.0 | Other |
| Stars | 1k | 8.5k |
| Latest | core/v0.18.0 | v5.1.0 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 1 day between releases | about 44 days between releases |
| Active contributors | 16 commit authors on the default branch in the last 90 days | 37+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace LaunchDarkly. Alternatives to LaunchDarkly →
PartialflagdEvaluates flags from files, HTTP or Kubernetes resources for OpenFeature SDKs, with no management UI.
Full replacementGrowthBookFeature flags with A/B testing analysed from your own data warehouse.
flagd
- core/v0.18.02026-09-25core: v0.18.0
- flagd-proxy/v0.9.102026-09-25flagd-proxy: v0.9.10
- flagd/v0.17.02026-09-25flagd: v0.17.0
- core/v0.17.02026-09-10core: v0.17.0
- flagd-proxy/v0.9.92026-09-10flagd-proxy: v0.9.9
GrowthBook
- v5.1.02026-09-22GrowthBook 5.1 includes over 400 commits touching almost every part of the product. Below are some of the highlights.
- v5.0.12026-08-19Fixes critical auth vulnerability affecting self-hosted non-SSO deployments with publicly accessible /auth/* endpoints
- v5.0.02026-07-20Despite the major version bump, GrowthBook 5.0 does not have any breaking changes and can be upgraded to safely.
- v4.4.02026-05-27This is our biggest release yet! Over 400 PRs closed.
- v4.3.02026-02-04Post-Stratification - uses dimensions to reduce variance and get to statistical significance faster.
flagd
✓ signed The latest release, core/v0.18.0, carries a signature GitHub verified.
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GrowthBook
✓ signed The latest release, v5.1.0, carries a signature GitHub verified.
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