AI models for transcription, summarization, and audio intelligence.
Public company, workplace, funding, and market signals
Updated Jul 30, 2026
AssemblyAI is a remote-first Voice AI infrastructure company that provides production-grade APIs for speech-to-text, real-time transcription, speech understanding, guardrails, a Voice Agent API, and an LLM Gateway for developers building products that transcribe, understand, and act on speech.
Primary product
Voice AI infrastructure APIs for speech-to-text, speech understanding, and voice agents
Founded
2017
Headquarters
San Francisco, California, United States
Team size
70-80
Work style
Remote
Industry
Software Development
Sub-industry
Voice AI / speech recognition API
Offices
9 jobs at AssemblyAI
Business model
Leadership
Founder & CEO
Chief Product and Technology Officer
VP, People
VP, Customer Solutions
Head of Realtime, Principal Researcher
Senior Director of Research
Head of Legal
Head of Finance
Investors
Remote-first and research-oriented, with interdisciplinary teams of scientists and engineers; the company emphasizes craftsmanship, curiosity, integrity, long-term thinking, and solving for the company first.
Work style
Remote
Compensation
Public signals indicate competitive salary and equity grants; a LinkedIn-surfaced recruiting post also referenced a $300K-$370K OTE range for a founding enterprise AE role, but this is role-specific rather than company-wide.
Benefits
Pricing
Pay-as-you-go usage pricing with no contracts, minimums, or monthly subscriptions; pricing varies by product/model and may include per-hour, per-WebSocket session, or token-based billing.
Differentiators
Technology
Customers
Competitors
Estimated revenue
$10M-$20M
AssemblyAI Blog · Jul 2026
AssemblyAI highlighted a San Francisco meetup focused on production voice agents and demonstrated Universal-3.5 Pro Realtime with features such as Context Carryover, conversation memory, multilingual code-switching, and Voice Focus.
AssemblyAI Blog · Jul 2026
The company published a pricing comparison for Universal-3.5 Pro async, realtime, and Sync APIs, including per-hour rates and the new Sync API launch details.
AssemblyAI Blog · Jul 2026
AssemblyAI explained its new Sync API for short clips, describing latency and workflow differences versus async transcription.
AssemblyAI Blog · Jul 2026
AssemblyAI announced contextual awareness improvements for Universal-3.5 Pro Realtime, including dynamic prompt updates and better conversation-aware transcription.
AssemblyAI Blog · Apr 2026
AssemblyAI launched its Voice Agent API, a single-WebSocket full voice pipeline with speech-to-text, LLM reasoning, and voice generation priced at $4.50/hr.