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AssemblyAI

AI · San Francisco, United States · Founded 2017

AssemblyAI is a cutting-edge startup specializing in Speech AI technology. Founded in 2017, the company has rapidly grown to become a leader in the field of automatic speech recognition (ASR) and audio intelligence. AssemblyAI provides state-of-the-art AI models that can transcribe audio and video content, detect speakers, analyze sentiment, redact personally identifiable information (PII), and more. Their technology is designed to unlock the power of voice data, enabling businesses to build innovative products and applications. The company primarily serves a diverse range of clients, including tech companies, media organizations, and enterprises that require accurate and scalable speech-to-text solutions. AssemblyAI operates in the artificial intelligence and machine learning market, focusing on the niche of audio and speech processing. AssemblyAI's business model revolves around offering an API (Application Programming Interface) that clients can integrate into their own applications and services. This API allows users to automatically transcribe audio and video at scale, ensuring high accuracy and efficiency. The company generates revenue through a subscription-based model, where clients pay for access to the API and the volume of data processed. The company's team comprises interdisciplinary research leaders, scientists, and engineers who are dedicated to continuously improving and updating their AI models. This ensures that clients always have access to the latest advancements in AI technology. AssemblyAI's commitment to innovation is further demonstrated by their recent $50 million Series C funding, which aims to enhance their Speech AI capabilities and expand their product offerings. In summary, AssemblyAI is at the forefront of transforming voice data into actionable insights through advanced Speech AI models. Their technology is widely deployed, serving millions of end users and enabling businesses to leverage voice data for various applications. Keywords: Speech AI, automatic transcription, audio intelligence, API, sentiment analysis, speaker detection, PII redaction, machine learning, voice data, artificial intelligence.

Valuation $100–500M
Revenue $10–50M
Headcount 100–500
Total funding $100–500M
Unlock exact values This page shows ranges. Dealroom has the exact numbers for AssemblyAI and the history behind them.

Investors

8 investors on AssemblyAI's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Seed 1 investor entered at this stage
Series A 5 investors entered at this stage
Series B+ 2 investors entered at this stage
Smith Point Capital
Keith Block

Global footprint

Where AssemblyAI has talent and traffic

Workforce by country
13 countries with
team presence
🇺🇸 United States66.7%
🇬🇧 United Kingdom8.7%
🇩🇪 Germany4.3%
🇨🇦 Canada4.3%
🇫🇷 France2.9%
Top 5 of 13 shown
Web traffic by country
580K monthly visits
across markets
🇧🇷 Brazil24.3%
🇺🇸 United States12.8%
🇮🇳 India9%
🇵🇰 Pakistan5.5%
🇮🇹 Italy4.7%
Top 5 markets shown

Talent graph

The shape of AssemblyAI's talent

Dealroom maps AssemblyAI's team person by person — pinpointing the standout operators and scoring them across the six dimensions investors underwrite. The counts and shape below are a public preview; the named individuals and exact scores live in the platform.

15 standout operatorsDealroom-flagged across the org
12 AI specialistsincl. 7 core researchers
106 employees mappedperson by person
DimensionScore
AI Talentlive Score hidden — book a demo
Engineering Score hidden — book a demo
Product Score hidden — book a demo
Go-to-market Score hidden — book a demo
Leadership Score hidden — book a demo
Research Score hidden — book a demo
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Source: Dealroom Talent Intelligence. Public profiles show counts and the team's shape only — request a demo for the named individuals, per-person seniority and tenure, and team benchmarks vs peers.

Market sentiment

What the market is saying about AssemblyAI

An AI-synthesized read of the highest-engagement posts about AssemblyAI on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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