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AssemblyAI

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AI company building a platform of APIs to transcribe and understand audio data

San Francisco, United StatesFounded 2017AI
Valuation $100–250M Last recorded · 2023
Revenue $10–50M Latest reported FY
Headcount 100–500 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for AssemblyAI and the history behind them.

About AssemblyAI

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.

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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.

Source: Dealroom company data

At a glance

Founded
2017
Headquarters
San Francisco, United States
Sector
AI
Power Law
Colt$25–100M revenue

Latest news

Press, funding announcements and product moves mentioning AssemblyAI.

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Investors

8 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed1 investor entered at this stage

Series A5 investors entered at this stage

Series B and later2 investors entered at this stage

  • Smith Point Capital
  • Keith Block
Employees mapped 106 incl. 12 AI specialists
Founders Hidden — book a demo/100 quality score
Key operators 15 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
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

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about AssemblyAI on X, ranked by likes and reposts, corporate channels excluded.

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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