Split vs Statsig

Free tier available

Free tier available

Paid tiers are quote-based, priced by monthly tracked keys.

One of the most generous free tiers in developer tooling; paid usage is billed on analytics events, not seats.

Free tier with limited monthly tracked keys.

Generous free tier including unlimited feature flags and a large monthly event allowance.

Established

Harness · since 2015

Widely used

Statsig (OpenAI) · since 2020

• Automatic metric impact on every flag catches regressions nobody thought to measure.
• Guardrail alerts stop a bad rollout before it reaches everyone.
• Strong data-platform integrations.

• Statistics engine is genuinely strong — sequential testing and CUPED are not marketing veneer.
• Flags, experiments and analytics in one system removes a whole class of integration work.
• Warehouse-native mode satisfies data-governance requirements.

• Post-acquisition roadmap now sits inside Harness's broader platform strategy.
• Requires meaningful event instrumentation before the impact analysis is useful.
• Opaque enterprise pricing.

• Event-based pricing can escalate sharply on high-volume products.
• Broad surface area means a real learning curve.
• Now owned by OpenAI, which introduces strategic uncertainty for some buyers.

Teams that want every release measured, not just deliberate experiments.

Product teams that want experimentation and analytics to share one source of truth.