Sybill vs ElevenLabs
Side-by-side comparison of AI visibility scores, market position, and capabilities
AI sales assistant automating call summaries, CRM updates, follow-ups. 15x revenue growth in 18 months. 500+ customers. $14.7M raised. Founded 2020, Mountain View.
About
Sybill was founded in 2020 in Mountain View, California, with the mission of eliminating the administrative burden that consumes sales reps' time after every customer interaction. The company built an AI sales assistant that automatically generates call summaries, drafts follow-up emails, updates CRM fields, and surfaces deal insights — all from a single sales call — using proprietary behavioral AI that goes beyond simple transcription to interpret intent and sentiment.\n\nSybill integrates with major video conferencing platforms (Zoom, Google Meet, Teams), CRMs (Salesforce, HubSpot), and communication tools to create a seamless post-call automation workflow. Its Magic Summary feature produces structured summaries aligned to each company's sales methodology, while its Deal Dashboard aggregates signals across all interactions to flag at-risk opportunities. The platform targets mid-market and enterprise B2B sales teams where deal complexity makes manual follow-up a significant productivity drain.\n\nSybill grew 15x in revenue over 18 months, reaching over 500 customers on $14.7M in total funding — a capital-efficient growth trajectory that reflects strong product-market fit in the AI sales automation category. The company competes with Gong and Chorus on conversation intelligence but differentiates through deeper CRM automation and faster time-to-value for smaller sales teams. Sybill's focus on eliminating rep busywork positions it at the intersection of AI productivity and revenue intelligence.
$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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