Fiber AI vs Walnut
Side-by-side comparison of AI visibility scores, market position, and capabilities
SF YC S23 B2B prospect data at 4x lower cost than Clay/Apollo/ZoomInfo with 40M+ companies and 850M+ professionals; TRAC/YC/Soma seed serving Ramp and DocuSign with 50+ data providers for surgical TAM list building.
About
Fiber AI is a San Francisco-based AI B2B prospecting and data platform — backed by Y Combinator (S23) with seed funding from TRAC, Y Combinator, and Soma Capital — providing GTM teams, sales organizations, and recruiting teams at enterprises and fast-growing startups with a comprehensive contact data and prospect list building platform that aggregates 40+ million companies, 850+ million professionals, 13+ million jobs, and 50+ data providers to deliver verified contact information at 4x lower cost than alternatives like Clay, Apollo, or ZoomInfo. Founded in 2023 by Adi Agashe and Neel Mehta, Fiber AI serves customers including Ramp, DocuSign, and Flatfile — enabling surgical TAM (total addressable market) list building with advanced filters for targeted outbound prospecting and outbound recruiting.
Israel YC W20 interactive sales demo platform creating personalized product demos 91% faster for Adobe, NetApp, Funnel; $56M total ($35M Felicis Series B 2022) competing with Demostack and Reprise for enterprise B2B sandboxed AI-personalized demo automation.
About
Walnut is a Tel Aviv, Israel-based interactive sales demo platform — backed by Y Combinator (W20) with $56 million in total funding including a $35 million Series B in January 2022 led by Felicis Ventures with NFX and Eight Roads Ventures — providing enterprise sales teams with an AI-powered platform for creating, customizing, personalizing, and analyzing interactive product demonstrations 91% faster than traditional demo creation methods. Serving enterprise clients including Adobe, NetApp, and Funnel, Walnut offers pricing from $9,200 annually (Lite) to $20,000+ annually (Pro) for unlimited demos and advanced customization, enabling sales engineers and account executives to create tailored product demos for each prospect without engineering dependency on production systems.
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