Wispr Flow raises $280M at $2B valuation in Series B
What's the deal? Wispr Flow has raised $280 million in a Series B round at a $2 billion valuation. Menlo Ventures led the financing, which brings the voice-interface startup's total capital raised to $361 million.
Who's in? Existing backers Notable Capital, NEA, Neo VenturesDealroom has a profile for this one. Try Dealroom →, 8VC, and MVP VenturesDealroom has a profile for this one. Try Dealroom → returned, joined by new investors AcrewDealroom has a profile for this one. Try Dealroom →, Forerunner, Goodwater, Peak XV, Together FundDealroom has a profile for this one. Try Dealroom →, and PLUS CapitalDealroom has a profile for this one. Try Dealroom →. Athletes and cultural figures also participated, including Shaun WhiteDealroom has a profile for this one. Try Dealroom →, Joe BurrowDealroom has a profile for this one. Try Dealroom →, DK MetcalfDealroom has a profile for this one. Try Dealroom →, and Paul GeorgeDealroom has a profile for this one. Try Dealroom →.
Why now? Revenue has grown by more than 150% in each of the past four quarters, while Flow is now used across more than 125,000 businesses and by employees at most Fortune 500 companies.
The product: Alongside the raise, Wispr previewed Canto, its first proprietary speech model. The company says Canto cuts word error rates from over 30% to roughly 5% to 10% in difficult conditions such as background noise, wind, and strong accents.
What's the endgame? Wispr wants to move beyond dictation and build an intelligence layer for human-AI interaction, starting with voice before extending into other modalities and hardware. Its new Advanced Interfaces Lab is led by chief scientist Ariya Rastrow, a founding member of Amazon's Alexa team who previously led multimodal foundation-model work at Meta.
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Image credit: Wispr Flow
