Rebuy vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
AI personalization engine for Shopify stores; drives revenue through smart upsells, cross-sells, and dynamic product recommendations; used by 10,000+ Shopify brands; founded 2018 in Seattle.
About
Rebuy is an AI-driven personalization platform built natively for Shopify that enables direct-to-consumer brands to deploy smart product recommendations, dynamic upsells, cross-sells, and post-purchase offers throughout the entire customer journey — from landing page to checkout to the order confirmation screen. The platform's rules engine allows merchants to define personalization logic using a combination of machine learning recommendations and merchant-controlled business rules, giving teams the flexibility to blend algorithmic relevance with merchandising priorities such as margin targets, inventory levels, or promotional pushes. Rebuy integrates deeply with Shopify's native checkout and with Shopify Plus's checkout extensibility, allowing brands to deploy in-checkout upsell widgets without custom development work.
$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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