StackAI
Category: AI Agents
StackAI is a versatile, enterprise-focused interface to deploy custom AI agents. Its drag-and-drop no-code platform enables businesses to build AI applications and automate complex workflows effortlessly. StackAI was founded in 2022. The company is led by Antoni Rosinol. Based in San Francisco, CA, USA. Team size: 13. Total funding raised: $19.1M. Latest round: Series A. Key investors include Lobby VC, Gradient Ventures, Y Combinator, LifeX Ventures, Guillermo Rauch (CEO of Vercel), Bob Van Luijt (CEO of Weaviate), Epakon Capital, Soma Capital, True Capital Ventures.
- Founded
- 2022
- Headquarters
- San Francisco, CA, USA
- Team size
- 13
- Total funding
- $19.1M
Value proposition
Simplifies automation of back-office processes with a secure, customizable platform, allowing teams to focus on strategic, high-impact tasks.
Products and solutions
AI Agent development platform, Drag-and-drop no-code interface, AI workflow automation builder for enterprises
Unique value
Enterprise-focused no-code platform for building and deploying custom AI agents, streamlining complex AI workflow automation.
Target customer
Enterprises, including Fortune 500 companies, banks, hospitals, and universities
Industries served
Financial Services, Healthcare, Education, General Enterprise Back-Office Automation
Technology advantage
Proprietary orchestration layer for AI agents combined with a user-friendly no-code/low-code interface and secure enterprise deployment.
How they differentiate
Focus on enterprise-grade, secure, and customizable AI agents via an integrated no-code platform, unlike general-purpose or open-source tools.
Main competitors
OpenAI’s GPT-based workflow tools, AutoGPT / AgentGPT (open-source projects), Other AI agent framework builders
Key partnerships
Y Combinator (Winter 2023 Batch), Google (via Gradient Ventures as investor)
Notable customers
Nubank, LifeMD, Granite Inc., MIT Sloan, Cardlytics
Major milestones
Founded in 2022 Graduated from Y Combinator (Winter 2023 batch) Launched publicly in April 2023 Raised $3M Seed round (April 2023) Raised $16M Series A (May 2025) Expanded to serve hundreds of enterprise clients
Growth metrics
Serving hundreds of organizations including major enterprises such as Fortune 500 companies, banks, hospitals, and universities (as of May 2025).
Market positioning
Provider of an enterprise-ready AI development platform for custom AI agent creation and workflow automation.
Geographic focus
Primarily North America, with a significant client base in the US enterprise market.
Patents and IP
No patents publicly listed as of now
About Antoni Rosinol
Antoni Rosinol is the Co-founder and CEO of StackAI. He holds a PhD in Computer Science & Artificial Intelligence from the Massachusetts Institute of Technology (MIT). His expertise lies in Deep Learning, Computer Vision, and Robotics & SLAM. Prior to founding StackAI, he was a Research Assistant at MIT, where he worked on 3D scene understanding and spatial perception for robotics.
Official website: https://www.stack-ai.com/