Chorus Sleep vs ElevenLabs
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.
$500M Series D at $11B valuation (Feb 2026) — largest voice AI funding round ever. $330M ARR; 1M+ developers using the API. Enterprise customers: Deutsche Telekom, Revolut, Meta, Salesforce. Voices in 32 languages; real-time cloning from 1 second of audio.
About
ElevenLabs was founded in 2022 by Piotr Dabkowski and Mati Staniszewski, two former Google and Palantir engineers who set out to break the language barrier using AI voice technology. The company specializes in AI-powered voice synthesis, cloning, and dubbing, enabling developers and enterprises to generate human-quality speech in over 30 languages. Its core technology combines deep learning models trained on massive speech datasets to produce natural-sounding voices indistinguishable from real humans.\n\nElevenLabs offers a suite of products including its flagship text-to-speech API, voice cloning tools, and an AI dubbing platform that localizes video content while preserving the speaker's original voice. Its products target a broad audience—from indie developers building audio apps to large enterprises deploying voice interfaces at scale. Key differentiators include ultra-low latency streaming synthesis, fine-grained voice customization, and a growing library of pre-built AI voices across accents and styles.\n\nElevenLabs has grown rapidly, surpassing $330M in annualized revenue and serving over 1 million developers. Enterprise clients include Deutsche Telekom, Spotify, and leading media companies. In February 2026, the company closed a $500M Series D at an $11B valuation, cementing its position as the market leader in AI voice. Its APIs power podcasts, audiobooks, video games, and customer service bots worldwide, making ElevenLabs the default infrastructure layer for AI-generated audio.
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