Wispr, a San Francisco, CA-based AI-powered voice-to-text platform, has raised an additional $25 million in a Series A extension.
Investors
The round was led by Notable Capital, with participation from Flight Fund, the investment arm of entrepreneur Steven Bartlett.
Notable Capital is a U.S.-based venture capital firm with $5 billion in assets under management. The firm specializes in early- to growth-stage investments in technology companies globally, focusing on five key sectors: Cloud Infrastructure, AI, Fintech & Commerce, Business and Consumer Applications, and Cybersecurity.
Hans Tung, Managing Partner at Notable Capital, joins Wispr as a board observer.
Wispr Use of Funds
The company will use the funding to support engineering and product hiring, develop Wispr’s own voice-first foundation models, and expand the capabilities of its flagship product, Flow.
About Wispr
Founded by Tanay Kothari, Wispr is an AI company focused on transforming the way people interact with technology through voice. The company provides an AI-powered voice-to-text platform that turns speech into clear, polished writing in every app. The platform uses AI to instantly refine natural speech, automatically adding correct punctuation, removing filler words, and adjusting tone to fit the specific application. Its flagship product, Flow, converts speech into polished, context-aware text across more than 25,000 apps and websites. Wispr's mission is to make technology more conversational, reducing screen time, context-switching, and cognitive overload, while helping people focus on what matters most.
Funding Details
Company: Wispr AI, Inc.
Raised: $25.0M
Round: Series A Extension
Funding Date: November 2025
Lead Investor: Notable Capital
Additional Investors: Flight Fund
Company Website: https://wisprflow.ai/
Software Category: Voice-to-Text AI / AI Productivity Tools
Source: https://www.prnewswire.com/news-releases/wispr-raises-25m-to-build-its-voice-operating-system-302621858.html