Funding · AI & Deep Tech

Wispr Flow raises $280 Mn Series B at $2 Bn valuation

By Startup Enthusiast · 22 August 2026

What they do

Wispr Flow makes AI-powered speech-to-text software for dictation and note-taking

It raised a $280 Mn Series B round led by Menlo Ventures at a $2 Bn valuation

The company also announced its proprietary speech-to-text model Canto to cut errors by over 4x

Wispr Flow raised a $280 Mn Series B round.
The round was led by Menlo Ventures.
Other participants include Peak XV Partners, Together Fund, Activate, Notable Capital, NEA, Neo Ventures, 8VC, MVP Ventures, Acrew, Forerunner, Goodwater, and PLUS Capital.
The company's valuation is now $2 Bn.
Wispr Flow also announced its proprietary speech-to-text model called Canto.
Canto is expected to reduce the word error rate from over 30% to 5-10% — a more than 4x improvement.

Peak XV Partners is expanding its US portfolio by backing AI startups targeting the American market.
Together Fund deviated from its usual early-stage focus to back growth-stage Wispr Flow.
Activate is a new AI-focused VC fund founded by Aakrit Vaish and ex-Together Fund partner Pratyush Choudhary.
Aakrit Vaish is an advisor to the India AI Mission and founded Haptik (acquired by Reliance Jio).

Wispr Flow offers AI-powered speech-to-text software for dictation and note-taking.
The software works on Windows, Mac, iPhone, and Android.
It claims professionals can use it to work 4x faster than typing.
The company partners with hardware makers to build dictation tools.
It is expanding into workplace tasks beyond personal dictation.
The website also mentions that Wispr raised $81M to build the 'Voice OS'.

Menlo Ventures (lead)
Peak XV Partners (participated) — Expanding US portfolio by backing AI startups targeting the American market.
Together Fund (participated) — Deviated from early-stage focus to back growth-stage Wispr Flow.
Activate (participated) — New AI-focused VC fund by Aakrit Vaish and ex-Together Fund partner Pratyush Choudhary.