Head to head
PostHog vs Split
As a feature flag API, PostHog rates higher on the APIbenchmarks Index, 85.3 to 81.1, a 4.2-point gap. Here is how they compare on each criterion.
Criterion by criterion
| Criterion | PostHog | Split |
|---|---|---|
| Documentation & DX | ||
| Reliability | ||
| Ecosystem & SDKs | ||
| Accessibility | ||
| APIbenchmarks Index | 85.3 | 81.1 |
Specifications
| PostHog | Split | |
|---|---|---|
| Best for | All-in-one product analytics with built-in flags | Feature management + experimentation (Harness FME) |
| Free tier | First 1M flag-eval requests/mo free, no credit card | Free Developer tier: up to 10 seats, 50 feature flags |
| Pricing | Per request (volume-tiered) | Per-seat (usage-based at scale) |
| Official SDKs | 12 languages | 12 languages |
Is PostHog better than Split?
On the APIbenchmarks Index, PostHog rates higher (85.3 vs 81.1). It leads on the four weighted criteria, but price is reported separately, so the best choice still depends on your budget.