Harmonic.ai vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
AI startup intelligence database with 30M+ companies and 190M+ people; used by Accel, Greylock, and Menlo for early-stage deal sourcing; aggregates funding, hiring, and product signals to identify breakout companies before they become known.
About
Harmonic.ai is an AI-powered startup and private company intelligence platform founded in 2020 in New York City, built to give venture capital investors and institutional deal teams real-time visibility into the global private company landscape. The company's core technology aggregates signals from funding announcements, hiring patterns, product launches, regulatory filings, and web data to build continuously updated profiles on private companies before they become publicly known fundraising targets — giving investors an early-signal advantage in competitive deal sourcing.\n\nThe Harmonic platform provides investors with a searchable database of more than 30 million companies and 190 million people, combined with proprietary scoring models that identify breakout companies at early stages of growth. Key features include AI-generated company summaries, investment fit scoring, alumni and network tracking, and automated portfolio monitoring. The platform is used by leading venture firms including Accel, Greylock, and Menlo Ventures, which validates its utility at the top of the institutional investor market.\n\nHarmonic has raised approximately $30 million in total funding, reflecting strong investor conviction in the intelligence layer for private market investing. As venture capital competition for the best deals intensifies and AI dramatically expands the surface area of relevant startup signals, Harmonic's data infrastructure and scoring models address a critical bottleneck for investment teams: finding non-consensus opportunities before they become consensus. Its positioning at the intersection of AI and venture intelligence gives it a natural growth path as private market data becomes increasingly central to investment strategy.
$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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