Osium AI vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
US YC S23 AI materials discovery at 10x acceleration with Aperam (specialty steel) partnership Oct 2024; $3.1M from YC/Singular/Kima/Collaborative Fund competing with Citrine for AI-powered industrial materials R&D.
About
Osium AI is a United States-based AI materials discovery platform — backed by Y Combinator (S23) with $3.1 million in total funding including a $2.6 million seed in 2023 from Y Combinator, Singular, Kima Ventures, Collaborative Fund, and Raise Phiture — providing materials R&D engineers and industrial companies with AI software that accelerates the discovery and optimization of new materials by 10x, predicting physical and chemical properties of candidate formulations before laboratory synthesis. Founded in 2023 by Stanford University friends Sarah Najmark and Luisa Bouneder, Osium achieved a partnership with Aperam (a global stainless and specialty steel producer) in October 2024 and partnerships with leading research institutions in November 2024 — validating the platform's utility for industrial materials development.
$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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