Assembly AI
YC S17New York City, US · Founded 2017 · 65 employees · Hiring · 5 known investors
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.
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.
DF
Investors · 5
Funding
SEC filings, press & company announcements- Undisclosed amountSeries CDec 2023
Accel (lead), Insight Partners, Smith Point Capital, Y Combinator
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Competitors · 10
by search overlapHugging Face592 shared keywordsHugging 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.
OpenAI524 shared keywordsOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.
Netezza475 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Deepgram428 shared keywordsDeepgram 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.
ElevenLabs410 shared keywordsElevenLabs 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 tools343 shared keywordsNotta 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.
Speechify336 shared keywordsSpeechify 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.
Rev333 shared keywordsRev provides AI-powered transcription and document analysis tools for legal teams, helping attorneys extract key facts from audio, video, and document evidence while maintaining strict data privacy and accuracy standards.
Zapier308 shared keywordsZapier provides a platform for connecting AI models and agents to workflows and business applications, enabling teams to automate tasks across over 9,000 apps without coding. The platform serves enterprises, operations teams, and businesses of all sizes looking to deploy AI-driven automation for lead capture, customer support, employee onboarding, and other business processes.
NVIDIA287 shared keywordsNVIDIA designs GPUs, AI computing hardware, and software platforms for AI development, data centers, autonomous vehicles, and robotics, serving developers, researchers, and enterprises. Its offerings include AI models, power architecture for AI factories, and compute infrastructure used across industries such as manufacturing, healthcare, and automotive.
Companies competing with Assembly AI for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
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.
- Where is Assembly AI headquartered?
- Assembly AI is headquartered in New York City, US.







