Split.io vs Unleash
Side-by-side comparison of AI visibility scores, market position, and capabilities
SF feature management platform acquired by Harness May 2024 at $75M ARR (April 2025); $110M Lightspeed/Accel-backed progressive delivery and A/B testing competing with LaunchDarkly and Statsig for enterprise feature flag infrastructure.
About
Split.io is a San Francisco-based feature management and software experimentation platform — acquired by Harness in May 2024 for an undisclosed amount, having raised $110 million in total pre-acquisition funding from Lightspeed Venture Partners, Accel Partners, and Harmony Partners — providing engineering teams, product managers, and data scientists with feature flag infrastructure, progressive delivery, A/B testing, and feature impact measurement tools that enable software teams to safely release features to targeted user segments, run controlled experiments, and measure feature impact on business metrics. Split reached $75 million in annual recurring revenue as of April 2025 under Harness ownership, serving enterprise software development teams who need controlled feature rollouts and experimentation alongside their CI/CD pipelines.
Open-source feature management platform for progressive delivery, enabling engineering teams to decouple deployments from releases using feature flags and targeted rollouts.
About
Unleash is an open-source feature management and feature flag platform founded in 2015 in Trondheim, Norway. It enables software engineering teams to separate code deployment from feature release, allowing developers to ship code to production continuously while controlling which users or segments see new functionality through feature toggles. This progressive delivery model reduces release risk, enables A/B testing, supports canary deployments, and provides kill switches for instant rollback without redeployment — core capabilities for teams practicing continuous delivery at scale.
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