Stack AI

Build enterprise AI agents and multimodal workflows with data sources, code, APIs, and knowledge bases.

Free accessFree plan500 runs/month, two projects, one seat.

Paid fromEnterpriseCustom runs and seats, unlimited projects

At a Glance

Stack AI is an AI tool for Agent & RAG frameworks (category: Development & Code). Free access: Free plan. Documented: 2 plans with prices and limits.

Category: Agent & RAG frameworks
Paid from: contact sales / Contract (Enterprise)
Free Option: Free plan
Plans: 2
Sources: 2 verified sources
Website: stackai.com (opens in a new tab)

Category: Development & Code · Agent & RAG frameworks

Features

Stack AI is an enterprise platform for no-code and low-code AI agent and workflow development that supports over 40 data sources for RAG pipelines and offers HIPAA, SOC 2, and GDPR compliance for security-critical industries.

Free includes 500 runs per month, 2 projects, and 1 seat. Enterprise is priced individually and adds unlimited projects, dedicated infrastructure with VPC or on-prem deployment, SSO, a BAA, and dedicated solution engineers. A full API for developers and a graphical no-code interface for business users are available side by side.

Build enterprise AI agents and multimodal workflows with data sources, code execution, and APIs
Over 40 data sources including Google Drive, Notion, Salesforce, and SharePoint for RAG pipelines
HIPAA, SOC 2, and GDPR compliance for security-critical industry applications
Free: 500 runs per month, 2 projects, and 1 seat with Agents, Flow, and Storage
Enterprise: custom run volume, unlimited projects, dedicated infrastructure with VPC or on-prem deployment, plus SSO and access control
No-code UI for non-programmers and full API for developers available simultaneously

Prices and plans

Tier	Price	Period	What you get
Free	free	Month	500 runs/month Two projects One seat Agents, Flow, and Storage Community support
Enterprise	contact sales	Contract	Custom runs and seats, unlimited projects All features and data loaders Dedicated infrastructure, VPC, or on-prem SSO, access control, and BAA Dedicated solution engineers

Prices per vendor, excl. taxes/VAT where applicable.

Alternatives and similar tools to Stack AI

FAQ

Is Stack AI available for free?

Yes. A permanently free plan is published, not a time-limited trial. 500 runs/month, two projects, one seat.

Where is the vendor of Stack AI based?

Eigen Inc. (Stack AI) is based in the USA. Regardless of that location, data processing and privacy terms are governed by the vendor's own contract.

How is Stack AI billed?

Stack AI offers two tiers: Free and Enterprise. Free is free of charge, Enterprise is offered individually. Prices are shown exclusively in USD, including for users in Germany, Austria and Switzerland.

What plans does Stack AI offer?

The catalog documents 2 plans with price, billing period, and included features.

Is Stack AI currently available?

Stack AI is still active: Free/Enterprise offer. Former Starter and Team tiers have been removed.

How we compare

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Search results are ordered by Task match by default; category and task lists are alphabetical. Both can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Edited and checked by the AI Compare Ninja team

Sources

All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

https://www.stackai.com/pricing
https://docs.stackai.com/

Visit site (opens in a new tab)

Spotted an outdated figure? Vendor pages change without notice. Report an error