Stack AI Prices, limits and access
Build enterprise AI agents and multimodal workflows with data sources, code, APIs, and knowledge bases.
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At a Glance
Stack AI is an AI tool for Agent & RAG frameworks (category: Development & Code). Free access: Free plan. 1 plan available (Free).
- Category
- Agent & RAG frameworks
- Paid from
- contact sales / Contract (Enterprise)
- Free Option
- Free plan
- Plans
- 1 plan available (Free)
- Sources
- 2 verified sources
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 | freeBilling period: monthly | 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 as stated by the provider, usually plus statutory VAT. The final price depends on your country and is shown by the provider.
Prices last checked: 2026-10-09
Independent price alert from AI Compare Ninja
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.
- stackai.com/pricing
- docs.stackai.com
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 is “Eigen Inc. (Stack AI)” on my bank or card statement?
According to our catalog data, Eigen Inc. (Stack AI) is the company behind Stack AI, so a charge under this name may come from a subscription or purchase at Stack AI. The exact wording on a bank or card statement is set by the vendor and its payment provider; it can differ and is not recorded here. The invoices in your Stack AI account help to match the charge; for an unknown charge, contact your bank.
What plans does Stack AI offer?
1 plan available (Free).
Is Stack AI currently available?
Stack AI is active.
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Stack AI and related names are trademarks or identifiers of their respective owners (Eigen Inc. (Stack AI)). They are named solely for descriptive purposes in an independent comparison. AI Compare Ninja has no business relationship, partnership or affiliation with Eigen Inc. (Stack AI).