Simbie AI vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
SF EHR-integrated AI voice agent for independent medical practices handling scheduling and insurance verification; YC W25 $500K at 83x revenue growth reducing staff-to-physician ratios by one-third.
About
Simbie AI is a San Francisco-based healthcare technology company developing EHR-integrated AI voice agents that serve as 24/7 multilingual administrative staff for independent medical practices — handling scheduling, insurance verification, prescription refill requests, patient communications, and clinical administrative tasks that currently require front-desk staff handling hundreds of calls daily. Founded by Dr. Natalia Khosla and Rachel O'Driscoll and backed by Y Combinator (W25) with $500,000 raised, Simbie achieved 83x revenue growth since its January 2025 launch with zero churn, reducing staff-to-physician ratios by one-third and recovering 10-20% of revenue previously lost to missed calls.
$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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