Decagon vs Zendesk
Side-by-side comparison of AI visibility scores, market position, and capabilities
Enterprise AI customer support platform. $4.5B valuation. $35M ARR (Oct 2025). 80% deflection rate. Clients: Notion, Duolingo, Hertz. $481M raised. Founded 2023, SF.
About
Decagon is an AI customer support platform founded in 2023 by Jesse Zhang (CEO, ex-Lowkey/Niantic) and Ashwin Sreenivas (ex-Helia/Scale AI), headquartered in SF with NYC and London offices. Raised ~$481M including $250M Series D (January 2026) at $4.5B from Coatue, Index, a16z, Accel, Bain Capital Ventures.
San Francisco customer service platform with ticketing, chat, and knowledge base for 100,000+ companies; Permira/H&F $10.2B private competing with Salesforce Service Cloud and Freshdesk for support platform.
About
Zendesk is a San Francisco-based customer service platform providing ticketing, live chat, email support, phone support, help center knowledge base, and customer service analytics — unified in the Zendesk Support Suite — for businesses managing customer inquiries across channels. Taken private by Permira and Hellman & Friedman in 2022 for $10.2 billion after rejecting a $17 billion acquisition offer from a PE consortium earlier in 2022, Zendesk serves 100,000+ companies including Shopify, Siemens, and Lime with an estimated $2+ billion in annual recurring revenue across its customer service platform portfolio.
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