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Assembly AI

YC S17

New York City, US · Founded 2017 · 65 employees · Hiring · 7 known investors

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AssemblyAI builds Voice AI technology for speech recognition and processing applications. The company develops accurate, capable, and safe AI models used across various industries for voice-based applications.

Also known as AssemblyAI Inc.

AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareArtificial IntelligenceSpeech RecognitionAPIAIUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S17)

Assembly AI was founded in 2017 by Dylan Fox.

DFDylan Fox
Dylan FoxFounder & CEOFounder at AssemblyAI
GD
Garvan DoyleSolutions, Team Lead
KK
Kenzie KellerRecruiter
VS
Veronica SanchezTalent Sourcer
JZ
Joseph ZaghloulSales/Growthformer
KB
Katie BowlesSenior Recruiterformer

Investors · 7

Insight Partnerslisted by Insight PartnersNew York · $120M – $350M

How we know: assemblyai.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

MAVA Ventureslisted by MAVA VenturesNew Yorkvia David Mortamais · inferred

How we know: MAVA Ventures's portfolio page · Not right? Tell us

Smith Point Capitallisted by Smith Point CapitalSan Francisco

How we know: assemblyai.com · the VCSheet dataset · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · assemblyai.com · open dataset · 5k.vc investor directory · Not right? Tell us

Paragon PartnersreportedMünchen

How we know: Y Combinator's founder network · Not right? Tell us

TechNexus Venture CollaborativereportedChicago

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 10

Hugging FaceHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
SpeechlySpeechly provides an API that performs speech recognition and language understanding directly on user devices, reducing costs for applications that need to analyze spoken interactions in real time.
OpenAIOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.
Ocular AIOcular builds data infrastructure and annotation services to encode human expertise into AI models across modalities and domains. The company creates training datasets—including voice, speech, transcription, and evaluation data—sourced from elite professionals to improve AI performance on real-world tasks requiring nuanced human judgment.
voizeVoize develops voice-based documentation software for healthcare caregivers to reduce administrative time and increase time spent with patients. The platform serves nursing staff and care facilities looking to streamline bureaucratic workflows in healthcare settings.
BoldVoiceBoldVoice provides AI-powered coaching and feedback to help non-native English speakers improve communication clarity and confidence. The platform serves immigrants and non-native speakers seeking to reduce accent-related barriers in professional and personal contexts.
DeepgramDeepgram builds foundational voice AI technology that enables speech-to-text, audio intelligence, text-to-speech, and voice agent APIs for businesses to create natural voice interactions. The company serves enterprises and developers across multiple industries seeking to integrate advanced voice capabilities into their applications and customer experiences.
ElevenLabsElevenLabs is an AI research and product company that builds voice generation and audio processing platforms for creating human-like voice interactions with technology. The company serves individuals with accessibility needs, nonprofits, and general users across healthcare, education, and culture.
AI toolsNotta provides AI-powered transcription tools available as a web app, mobile app, and Chrome extension, along with features such as AI summaries, meeting minutes, screen recording, and a sales-focused AI agent for recording and analyzing meetings and syncing with CRM. It serves individuals and businesses looking to transcribe and organize voice and meeting content.
SpeechifySpeechify is a text-to-speech application that converts written content—including textbooks, PDFs, emails, and web pages—into audio for users to listen to. The platform serves students and professionals with reading difficulties, particularly those with dyslexia and ADHD, enabling them to access educational and professional materials through audio.

Companies working in the same space as Assembly AI.

Legal entities · 1

corporate structure
AssemblyAI Inc.

In the news

Announcing our $50M Series C to build superhuman Speech AI modelsassemblyai.com · Dec 2023Flush with new cash, AssemblyAI looks to grow its AI-as-a-service business – TechCrunchtechcrunch.com · Jul 2022AssemblyAI snags $28M for all-in-one API to transcribe, summarize, and moderate audio – TechCrunchtechcrunch.com · Mar 2022

Frequently asked questions

What does Assembly AI do?
AssemblyAI builds Voice AI technology for speech recognition and processing applications. The company develops accurate, capable, and safe AI models used across various industries for voice-based applications.
Who founded Assembly AI?
Assembly AI was founded by Dylan Fox in 2017.
Who are Assembly AI's investors?
Assembly AI's investors include Accel, Insight Partners, MAVA Ventures, Smith Point Capital, Y Combinator, Paragon Partners, TechNexus Venture Collaborative.
Where is Assembly AI headquartered?
Assembly AI is headquartered in New York City, US.