Best Experimentation Platforms in 2026
Updated
In short: GrowthBook is ranked #1 of 19 as of 2 October 2026, ahead of Statsig and Confidence by Spotify. The best-ranked option with a free plan is Statsig. The lowest first paid tier on this page is Marpipe at $0.50/mo.
19 experimentation platforms ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Experiment methods | |
|---|---|---|---|---|---|---|---|---|
| 1 | GrowthBook | 8.8 | RecognisedAPIDocumented | $40/mo | Yes | — | — | View |
| 2 | Statsig | 8.7 | RecognisedAPIDocumented | $150/mo | Yes | 150 /mo | — | View |
| 3 | Confidence by Spotify | 8.5 | RecognisedAPIDocumented | $449/mo | Yes | 449 /mo | — | View |
| 4 | VWO Feature Experimentation | 7.8 | RecognisedAPIDocumented | — | No | — | A/B testing; multivariate testing; multi-armed bandit | View |
| 5 | Eppo | 7.7 | RecognisedAPIDocumented | — | — | — | A/B/n experiments, contextual bandits, switchback tests, sequential analysis, Bayesian statistics | View |
| 6 | Datadog Experiments | 7.4 | RecognisedAPIDocumented | $450/mo | No | 450 /mo | — | View |
| 7 | Bucketeer | 7.1 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 8 | Amplitude | 6.9 | RecognisedAPIDocumented | Free | Yes | 0 /mo | — | View |
| 9 | AB Tasty | 5.9 | RecognisedAPIDocumented | — | — | — | — | View |
| 10 | Kameleoon | 5.7 | RecognisedAPIDocumented | — | No | 495 /mo | — | View |
| 11 | Marpipe | 5.7 | RecognisedAPIDocumented | $0.50/mo | Yes | — | — | View |
| 12 | ABsmartly | 5.6 | RecognisedAPIDocumented | — | No | — | — | View |
| 13 |  Convert Experiences | 5.5 | RecognisedAPIDocumented | — | No | — | — | View |
| 14 | Conductrics | 5.5 | RecognisedAPIDocumented | — | — | — | — | View |
| 15 |  RunPivot | 5.5 | RecognisedAPIDocumented | — | Yes | 99 /mo | — | View |
| 16 |  Monetate | 5.2 | RecognisedAPIDocumented | — | — | — | — | View |
| 17 | Evolv AI | 5.1 | RecognisedAPIDocumented | — | No | — | — | View |
| 18 | Compose | 4.7 | RecognisedAPIDocumented | — | No | — | — | View |
| 19 | VWO Testing | 4.7 | RecognisedAPIDocumented | — | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which experimentation platform is ranked first on Inferse?
GrowthBook is ranked #1 of 19 with a score of 8.8. Statsig is second and Confidence by Spotify third.
How many of these have a free plan?
6 of the 19 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Marpipe has the lowest first paid tier we found: $0.50/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.