Wispr Flow raises $280 million at $2 billion valuation

Wispr Flow raised $280 million in a Series B funding round that valued the AI voice-to-text startup at $2 billion, the company said Monday. Existing investor Menlo Ventures led the round, with participation from Notable Capital, NEA and Neo Ventures. New investors included Acrew, Forerunner, Goodwater and Peak XV. The San Francisco-based company has now raised $361 million. It previously secured $25 million in November 2025 in a round led by Notable Capital and backed by podcaster Steven Bartlett’s Flight Fund. Wispr Flow said users have generated more than 60 billion words through its software, which converts speech into text for writing and workplace tasks. The company said its products are used at nearly all Fortune 500 companies and more than 10,000 enterprises. The company also previewed Canto, its first proprietary speech-recognition model. CEO Tanay Kothari said error rates in difficult conditions involving background noise, wind, accents or music fell from more than 30% of words to between 5% and 10%. Kothari said much of the new funding will go toward improving transcription accuracy, which Wispr tracks through a “zero edit rate” measuring the share of spoken words that re...