Chorus Sleep vs Karat
Side-by-side comparison of AI visibility scores, market position, and capabilities
US YC W21 employee sleep wellness platform at $2M revenue 2024 with 13 employees; M&A offer Apr 2025; CBT-I behavioral sleep coaching and tracking competing with Headspace Health for employer-sponsored sleep wellness.
About
Chorus Sleep is a United States-based employee sleep wellness platform — backed by Y Combinator (W21) — providing employers with a mobile app and coaching program that helps employees improve their sleep quality through audio sessions, behavioral coaching, sleep tracking, and interactive content designed to address the clinical and workplace productivity costs of poor sleep. Founded in 2019 by Ali Abramovitz, MK Hurlbutt, and Warren Runk, Chorus Sleep achieved $2 million in revenue in 2024 with a 13-person team, receiving an M&A acquisition offer in April 2025 — positioning as an employee benefits platform in the growing workplace wellness market where employers invest in targeted health interventions with measurable ROI in reduced absenteeism and healthcare costs.
Seattle technical interviewing platform at $1.1B valuation from $248M total ($110M Salesforce Ventures/Serena Williams Series C 2022);
About
Karat is a Seattle, Washington-based technical interviewing platform — backed with $248 million in total funding including a $110 million Series C in April 2022 led by Salesforce Ventures and Serena Williams at a $1.1 billion valuation — providing enterprise technology companies and growth-stage startups with an outsourced technical interview service that deploys a global network of expert interview engineers (experienced software engineers who conduct interviews as a service) to conduct first-round technical interviews at scale, reducing time-to-hire and expanding diverse talent pipelines through standardized, bias-reduced interview methodology. Serving major tech companies, Karat acquired Triplebyte's adaptive assessment technology in March 2023, adding automated skills verification capabilities to its expert-led interview service.
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