Best A/B Testing & Experimentation Platforms
Ranked comparison of 4 experimentation tools: Statsig, GrowthBook, LaunchDarkly, and Optimizely.
Experimentation platforms let teams validate product changes with data before full rollout. Costs range from free open-source to six-figure enterprise contracts. Here are 4 platforms ranked by value for product teams.
Product experimentation platform with feature gates, A/B tests, and analytics.
Best for: Growth teams running lots of experiments
Open-source feature flagging and A/B testing platform with Bayesian statistics.
Best for: Data-savvy teams wanting control
Enterprise feature management platform with feature flags, experimentation, and rollouts.
Best for: Engineering-heavy teams at scale
Enterprise optimization platform for experimentation, personalization, and content management.
Best for: Large orgs with dedicated optimization teams
Quick Comparison
| # | Tool | Pricing | Segment | Best For |
|---|---|---|---|---|
| 1 | Statsig | Free (50M events), custom pricing | Enterprise | Growth teams running lots of experiments |
| 2 | GrowthBook | Free (open source), cloud from $75/mo | Mid-Market | Data-savvy teams wanting control |
| 3 | LaunchDarkly | $10/seat/mo, enterprise custom | Enterprise | Engineering-heavy teams at scale |
| 4 | Optimizely | Custom pricing (enterprise) | Enterprise | Large orgs with dedicated optimization teams |
Best by Budget
Verdict
Statsig offers the best value with a generous free tier and strong experiment analysis. GrowthBook is the top open-source option. LaunchDarkly leads for enterprise feature management. Optimizely is for organizations with dedicated optimization teams.
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