AssemblyAI

At AssemblyAI, we keep our pulse on the latest developments and breakthroughs in AI research and use these advances to inform our production-ready AI models.

Latest funding

Series B+ · December 3, 2023

Amount not disclosed in a source on record.

All 2 rounds ↓

Website: assemblyai.com.

X: @AssemblyAI · 46,024 followers.

Categories: Voice and audio AI Developer tools and cloud.

Sectors: B2B, Infrastructure, Artificial Intelligence, Developer Tools, Speech Recognition, API.

Stage: Series B+.

Based in: New York City, United States.

Last round: Dec 3, 2023 · 1,075 days ago.

Team: 65 people on the team page.

On Recent Funding since: Sep 28, 2026.

Signals

X account@AssemblyAI · created Oct 20, 2017 (9 years old) · 46,024 followers

Website registeredDec 24, 2016 (9 years old)

TIMELINE · MILESTONES

AssemblyAI | 2535 days from website to first raise on record

@AssemblyAI·1 round·2 signals before the first raise

One step per dated milestone. Pins are dated signals; hover the icons for dates.

Funding rounds

December 3, 2023
Series B+ · amount undisclosed
Source: fundraisingfox.com
October 20, 2017
X account created
Summer 2017
YY Combinator · batch
Source: ycombinator.com
December 24, 2016
Website created

Founders and team

DF
Dylan Fox Founder & CEO

LinkedIn · source: foundertrace.com

Investors

Companies like AssemblyAI

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HHyperDev$1M Pre Seed · Jul 2026
AArato$10M Seed · Jul 2026
RRevenueBase$6M Seed · Apr 2022
CCrosscaleSeed · Oct 2026
PPalma.aiPre Seed · Sep 2026

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/assemblyai (get a free API key).