Alice & Bob vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
French quantum startup developing cat qubit technology; inherently suppresses bit-flip errors requiring fewer physical qubits per logical qubit than competing superconducting approaches.
About
Alice & Bob is a Paris-based quantum computing startup that develops a novel qubit technology called cat qubits — quantum bits that exploit a quantum mechanical phenomenon to inherently suppress certain types of errors, potentially enabling fault-tolerant quantum computers with fewer physical qubits per logical qubit than competing approaches. Cat qubits leverage quantum superpositions of coherent states in microwave resonators to create a hardware-native bias against bit-flip errors, meaning the system only needs to correct phase-flip errors in software, dramatically reducing the overhead required for quantum error correction. If successful, this approach could reach fault-tolerant quantum computation with ten to one hundred times fewer physical qubits than superconducting qubit approaches. Founded in 2020 as a spinout from the Paris École Normale Supérieure, Alice & Bob raised €30M in Series A funding from investors including BpiFrance and Elaia Partners. The company is building a roadmap toward commercial quantum advantage through hardware-efficient error correction. It competes with IBM, Google, and IonQ in the race toward fault-tolerant quantum computing.
$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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