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    3. AssemblyAI

    AssemblyAI

    Advancing and democratizing Speech AI technology by providing developer-friendly APIs for accurate speech-to-text and audio understanding.

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    At a Glance

    1Tool Listed
    5Products
    23Tool Views
    7Capabilities
    Discussions
    San Francisco, CaliforniaHeadquarters
    2017Est.
    104Employees
    $115MRaised
    Focus Areas
    Speech Recognition
    Conversational Agents
    Content Analysis
    Connect
    Latest News
    Introducing Medical Mode: Purpose-built accuracy for medical terminologyMar 25, 2026
    AssemblyAI Named a Leader in G2's Spring 2026 Voice Recognition ReportMar 23, 2026
    Markets
    • Software Developers
    • Enterprise SaaS
    • Telehealth Providers
    • Media and Entertainment Companies
    • +1 more

    AI Tools by AssemblyAI

    (1)
    View AssemblyAI
    AssemblyAI tool icon

    AssemblyAI

    Speech to Text API

    Speech RecognitionConversational AIContent Analysis

    Discussions

    No discussions yet

    Be the first to start a discussion about AssemblyAI

    Latest News

    03/25/2026

    Introducing Medical Mode: Purpose-built accuracy for medical terminology

    assemblyai.com
    03/23/2026

    AssemblyAI Named a Leader in G2's Spring 2026 Voice Recognition Report

    assemblyai.com
    03/03/2026

    Universal-3 Pro Streaming: The most accurate real-time transcription model for voice agents

    assemblyai.com
    02/03/2026

    Introducing Universal-3 Pro: A new class of speech language model optimized for Voice AI

    assemblyai.com

    Products & Services

    5
    Universal-3 Pro
    2026-03

    State-of-the-art speech-to-text model optimized for voice agents and high-accuracy transcription.

    LeMUR
    2023

    LLM gateway framework for applying large language models to audio data for summarization and analysis.

    Medical Mode
    2026-03

    Purpose-built Speech AI for high accuracy in medical terminology and healthcare contexts.

    Streaming Speech-to-Text
    Various

    Low-latency, real-time transcription service for live audio streams.

    Market Position

    Positions itself as the most accurate and developer-friendly alternative to legacy providers like Google, Amazon, and Nuance, with a focus on 'Speech AI' rather than just transcription.

    Leadership

    Founders

    DF

    Dylan Fox

    Founder and CEO. Previously a Machine Learning Engineer at Cisco for 2 years, where he researched speech recognition. Self-taught programmer with a background in engineering from The George Washington University.

    Executive Team

    DF

    Dylan Fox

    Founder & CEO

    Former ML Engineer at Cisco, specialized in speech recognition research.

    AK

    Alex Kroman

    Chief Product and Technology Officer (CPTO)

    Experienced leader in building AI-powered customer experiences and scaling companies (formerly VP at AssemblyAI).

    Board of Directors

    KB
    Keith Block
    Board Member / Investor (Smith Point Capital; former Salesforce Co-CEO)
    DG
    Daniel Gross
    Investor / Advisor (Pioneer; former Y Combinator Partner)
    NF
    Nat Friedman
    Investor / Advisor (Former GitHub CEO)

    Founding Story

    Dylan Fox founded AssemblyAI after working at Cisco, where he realized that existing speech recognition APIs were difficult to use and lacked accuracy. He aimed to build a 'Stripe for speech recognition' that provided state-of-the-art AI models via a simple API.

    Business Model

    Revenue
    Estimated $10M - $50M ARR

    Revenue Model

    API usage-based (pay-as-you-go) and tiered subscription plans for enterprise.

    Pricing Tiers

    Free
    $0

    333 hours of free transcription, 5 streams/min, community support.

    Pay-as-you-go
    Starts at $0.15/hr

    Unlimited transcription and streams, BAA, EU residency, and custom rate limits.

    Tiered / Enterprise
    Custom

    Volume discounts, dedicated infrastructure, SLAs, and custom model configurations.

    Private (Pre-IPO secondary market activity noted)

    Target Markets

    Industries & Segments
    • Software Developers
    • Enterprise SaaS
    • Telehealth Providers
    • Media and Entertainment Companies
    • Contact Centers
    Use Cases
    • Call Center Analytics
    • Podcast Transcription
    • Meeting Summarization
    • Medical Documentation
    • Video Captioning
    • AI Voice Agents
    Notable Customers
    • Zoom
    • CallRail
    • Veed
    • Supernormal

    Quick Facts

    Headquarters
    San Francisco, California
    Founded
    2017
    Entity Type
    Inc.
    Employees
    104
    Total Funding
    $115M
    Investors
    Accel, Insight Partners
    Office Locations
    San Francisco
    New York

    Funding History

    Seed$130K
    2017-09
    Y Combinator
    Venture Round$5M
    2020-11
    Series A$28M
    2022-03
    Accel

    History & Milestones

    2026-03

    Launched Medical Mode and Universal-3 Pro models.

    2025

    Named to Fast Company's 50 Most Innovative Companies list.

    2024-04

    Launched Universal-1, a new class of speech-to-text models.

    2023-12

    Raised $50M Series C led by Accel, bringing total funding to $115M.

    2022-03

    Raised $28M Series A led by Accel.

    Key Capabilities

    7
    99+ languages supported
    Speaker Diarization
    Sentiment Analysis
    PII Redaction
    Content Moderation
    Real-time Streaming

    Integrations & Partnerships

    Platform Integrations

    • Python
    • Node.js
    • Go
    • Java
    • Ruby
    • .NET
    • Postman

    Key Partnerships

    AWS Marketplace
    Zoom
    LiveKit

    Connect

    Website
    assemblyai.com
    X / Twitter
    AssemblyAI
    LinkedIn
    assemblyai
    Discord
    CEqt6x2YPK

    AI Topics

    3

    AssemblyAI focuses on these topics:

    Speech Recognition(1)
    Conversational Agents(1)
    Content Analysis(1)
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