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Stack AI

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AI-powered Data Platform for ML Teams

San Francisco, United StatesFounded 2023AI
Valuation $50–100M Last recorded · 2026
Revenue <$1M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Stack AI and the history behind them.

About Stack AI

Stack AI provides an enterprise-focused, no-code platform for building and deploying custom AI agents and workflow automations. The company was founded in 2022 by Bernard Aceituno and Toni Rosinol. The founders, both MIT PhDs, identified the need for a platform to bridge the gap between enterprise data and the capabilities of large language models (LLMs) even before the widespread attention brought by ChatGPT. Their academic and professional backgrounds, which include experience at NASA and Meta AI, informed the company's mission to help teams maximize model accuracy and reduce deployment times.

The company's core product is a low-code platform featuring a visual, drag-and-drop interface that allows users without technical expertise to build, test, and deploy sophisticated AI workflows. Stack AI is designed to integrate with a wide array of enterprise systems and data sources, such as SharePoint, Snowflake, Salesforce, Google Drive, and Notion, enabling the creation of powerful internal tools. The platform supports various applications, including creating knowledge-based AI assistants, automating the generation of RFP responses, conducting due diligence research, analyzing legal contracts, and extracting data from documents. By connecting data sources with LLMs, Stack AI empowers organizations to automate back-office operations and enhance productivity. Clients range from startups to large enterprises, including names like LifeMD, SmartAsset, Circle Medical, and MIT Sloan.

Stack AI's business model is subscription-based, offering several pricing tiers to cater to different user needs, from a free plan for exploration to comprehensive enterprise-level packages. These plans vary by the number of monthly runs, projects, and team members, with enterprise solutions offering dedicated infrastructure, on-premise deployment options, and compliance with standards like SOC 2, GDPR, and HIPAA. The company has secured significant funding to support its growth, participating in the Y Combinator W23 batch and raising a total of over $19 million through seed and Series A funding rounds, with investors including Lobby VC, Gradient Ventures, and LifeX Ventures.

Source: Dealroom company data

At a glance

Status
Acquired
Founded
2023
Headquarters
San Francisco, United States
Employees
83
Open positions
11
Dealroom signal
91.8/100
Industry
Enterprise Software
Sector
AI, Core AI, Generative AI, MLops, genAI Operation Layer, AI Agents, YC W23
Technology
Artificial Intelligence, Big Data, Machine Learning
Business model
SaaS
Client focus
b2b

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
ACQUISITION✓Exit May 2026 $75M $75M Asana ↗
SERIES A✓Equity / VC May 2025 $16M $64M Soma Capital · TRUE Capital Management · Epakon Capital · Guillermo Rauch ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023 —
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Stack AI website traffic

Latest recorded traffic for Stack AI is 260K monthly website visits, up 85.7% over the last three months. Stack AI's team grew 25.8% over the past year.

Latest monthly visits260K 3-month web change+85.7% 1-year team growth+25.8%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

12 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed2 investors entered at this stage

Series A9 investors entered at this stage

  • Gradient Ventures
  • Beat Ventures
  • TRUE Capital Management
  • Soma Capital
  • Lambda
  • Lobby Capital
  • Guillermo Rauch
  • Bob van Luijt
  • LifeX Ventures

Other known investors1 additional known investor

  • Asana
Team profiled 17 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
9 countries with
team presence
🇺🇸 United States77.5%
🇪🇸 Spain12.7%
🇩🇪 Germany1.4%
🇮🇹 Italy1.4%
🇷🇸 Serbia1.4%
Top 5 of 9 shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Stack AI on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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