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Async

Category: AI Agents

Chat-based end-to-end AI creative studio for video and audio content production, with human-like low-latency Voice APIs for developers building apps and agents. Async was founded in 2020. The company is led by Arto Yeritsyan. Based in Middletown, Delaware, United States. Team size: 50-100. Total funding raised: $22.25M. Latest round: Series A. Key investors include ["Mosaic Ventures","RTP Global","Point Nine","Sierra Ventures","Andrew Ng's AI Fund","Correlation Ventures"].

Founded
2020
Headquarters
Middletown, Delaware, United States
Team size
50-100
Total funding
$22.25M

Value proposition

Radically simplifies end-to-end content creation through chat-based AI workflows that handle recording, editing, enhancement, and engagement optimization. Provides developers direct access to ultra-low latency, human-like voice models.

Products and solutions

["Chat-based AI Creative Studio (Audio & Video)","AI-powered Audio & Video Editing Suite","Studio-quality Recording & Hosting Platform","AI Dubbing and Voice Generation Engine","Voice Cloning System","Async Voice API (WebSocket & HTTP)","Agentic AI Production Workflow Framework","Async Flash Real-time Voice Generation"]

Unique value

Pioneered chat-based agentic AI workflows for content production where users describe intent in natural language and AI agents autonomously execute multi-step production tasks. Proprietary TTS model (Asyncflow v1.0) ranked #2 on Hugging Face leaderboard for quality.

Target customer

Solo creators (podcasters, video creators), Businesses (marketing, sales, operations), Developers (building voice agents, support assistants)

Industries served

["Content Creation & Media Production","Audio & Video Production","Voice AI & Conversational AI","Marketing & Communications","Enterprise Content Management","Developer Tools & APIs","Podcasting & Digital Media","E-learning & Training Content"]

Technology advantage

Combines ultra-low latency voice synthesis (Async Flash) with real-time streaming capabilities via WebSocket and HTTP APIs. Agentic framework enables autonomous content workflows without manual intervention. Dual-market strategy serves both B2C creators and B2B developers.

How they differentiate

Chat-based agentic AI workflows for end-to-end content production combined with ultra-low latency Voice APIs for developers. Unlike competitors focused solely on editing, recording, or voice synthesis, Async offers a unified platform serving both creators and developers with proprietary TTS technology.

Main competitors

["Descript","Riverside.fm","ElevenLabs"]

Key partnerships

["Andrew Ng's AI Fund","Mosaic Ventures","RTP Global","Point Nine","Sierra Ventures","Correlation Ventures","Pipecat AI framework integration partner","Voice AI infrastructure providers"]

Notable customers

["Individual creators and podcasters","Marketing and sales teams","Enterprise content teams"]

Major milestones

["Seed funding ($1.75M) raised in November 2020","Series A ($7M) co-led by RTP Global and Point Nine in October 2021","Series A ($13.5M) led by Mosaic Ventures in February 2024","TTS model (Asyncflow v1.0) ranked #2 on Hugging Face leaderboard","Rebranded from Podcastle to Async in January-February 2026","Launched agentic AI platform for content production"]

Growth metrics

Platform trusted by approximately 1 million creators worldwide. Grew from 4 team members to 80+ employees. Revenue estimated between $10M-$25M. TTS model ranked #2 on Hugging Face leaderboard.

Market positioning

Mid-market AI content creation platform bridging consumer creator tools and enterprise developer APIs.

Geographic focus

Global with primary markets in North America and Europe. Legally registered in Delaware, USA with CEO in San Francisco and engineering presence in Armenia.

Patents and IP

No registered patents publicly disclosed as of latest update. Technology primarily protected through proprietary models and trade secrets.

About Arto Yeritsyan

VP of Engineering at PicsArt (2018-2020), Stanford GSB Executive Leadership program (2019), Co-Founder of Coding Records, Technical Lead at be2, Forbes Technology Council Member, HIVE Ventures 30 Under 30 Armenians in Tech (2020)

Official website: