How much does Stack AI cost?
- Free plan
- Yes
- Enterprise
- Contact sales
In your favor
- Free plan. Free plan at $0/month with 500 runs per month, 2 projects, 1 seat, community support on Discord. Upgrade for more capacity.
- Notice before price changes. Renewals at then-current fees
Watch out for
- Extra usage is billed. Customer is billed for usage exceeding Usage Limitations
- No refunds on a long commitment. Payments are non-cancelable and nonrefundable
How you buy and get started
- Sign up
- Self-serve free signup "Try For Free"
- Setup
- Not stated
- When sales steps in
- Enterprise plan requires a custom quote "Get a Custom Quote"
- Support
- Community support on Discord (Free) "Community support on Discord"
- Support
- Dedicated support from AI experts "Dedicated support from AI experts"
What Stack AI does
StackAI lets IT and enterprise teams build agentic workflows connected to 500+ integrations, with human review steps, a choice of LLMs, and deployment in multi-tenant, VPC or on-premise setups. It has a free plan with 500 runs per month and a custom-priced Enterprise plan sold through a demo.
- Good for
- IT and Enterprise Architecture teams in regulated or complex organizations (finance, healthcare, legal, risk and compliance, ITSM, operations) that need governed AI agents.
- Channels
- REST API, Slack Bot, Chrome Extension, Browser Extension
- Main product
- AI agent builder platform (agentic workflows)
- Also includes
- Agentic workflows, 500+ integrations plus MCP servers, Knowledge bases (document upload, web scraping, Google Drive), Human review steps, LLM-agnostic model choice, Audit logs and feature controls
- Connects to
- Salesforce, Asana, Slack, Google Drive, Notion, Airtable, ActiveCampaign, Adobe Acrobat Sign, Adyen, Ahrefs, Aircall, Algolia
- Public API
- Yes
- MCP server
- Yes
- No-code visual builder
StackAI's flexibility, speed, and no-code UI have helped us to build internal tools
- Multi-agent orchestrationNot stated
- Knowledge base / RAG
StackAI leads with governed workflows, RAG, and an expansive suite of integrations.
- Prebuilt app integrations
With 500+ enterprise integrations, AI agents built on StackAI can read, write, and execute tasks within your e
- Choice of LLM models
Deploy the best-performing model for every specific task
- Human-in-the-loop approvals
Integrate human oversight into critical decision points
- SOC 2 / SSO / governance
SOC 2 Type II, GDPR, and HIPAA compliance
- API and channel deployment
REST API
The same 8 checks appear on every tool in AI agent builders. Each tick quotes the vendor's own site.
Security and your data
| Question | Their answer | Where it says so |
|---|---|---|
| Trains AI on your data? | no | "We do not train any models on customer data."terms |
| HIPAA (signs a BAA) | available | "Sign BAA With Us"pricing |
| SOC 2 | SOC 2 Type II | "SOC 2 Type II"home |
| GDPR | GDPR | "Advanced privacy standards for the protection of personal data."home |
| CCPA | Not stated | |
| PCI | Not stated | |
| ISO 27001 | ISO 27001 | "Global excellence in information security management."home |
| Single sign-on | Enterprise | "SSO (Single Sign-On)"pricing |
| Trust center | https://trust.stackai.com/ | "Trust Center"pricing |
Security answers are the vendor's own claims, quoted. We don't audit them.
Every plan
| Plan | Monthly | Billed yearly | Included | Over the allowance | Where it says so |
|---|---|---|---|---|---|
| Free/month | $0 | – | 500 runs2 Projects, 1 Seat | – | "500 runs per month*" |
| Enterprise/month | Quote | – | – | – | "Custom number of runs*" |
Free plan: Free plan at $0/month with 500 runs per month, 2 projects, 1 seat, community support on Discord. Upgrade for more capacity.
Fine print
- Billing increment
- Not stated
- Billed beyond usage
- Customer is billed for usage exceeding Usage Limitations "If your use of our Services exceeds a Usage Limitation or otherwise requires the payment of additional fees, you shall be billed for such usage and you agree to pay the additional "
- Contract
- Subscription term as agreed in an Order "Subscriptions will be for the term agreed to in an applicable Order."
- Refunds
- Payments are non-cancelable and nonrefundable "all payments accrued or made under these Terms are non-cancelable and nonrefundable."
- Auto renew
- Auto-renews for successive one-year terms unless 14 days written notice before term end "Subscriptions will automatically renew for successive one-year terms at Stack AI's then-current fees unless you provide written notice of non-renewal to us at least fourteen (14) d"
- Price change notice
- Renewals at then-current fees "Subscriptions will automatically renew for successive one-year terms at Stack AI's then-current fees"
"Not stated" means we read their pricing page and terms and they don't say.
About the company
- Legal name
- Eigen Inc. (Stack AI)
- Online since
- Dec 7, 2022 Domain registration date
- Ships updates
- 2 in the last 12 months Last on May 16, 2026, from their changelog
- Customers
- "Trusted by leading enterprises" their claim
- Backing
- "Acquired by Asana" their words
Stack AI alternatives
HubSpot Breeze Agents$7 /moFree plan · checked Oct 29, 2026
DronaHQ$10 /mochecked Oct 29, 2026
Zapier Agents$13.33 /moFree plan · checked Oct 29, 2026
n8n$20 /mochecked Oct 29, 2026
LiveChatAI$32 /moFree plan · checked Oct 29, 2026
Jotform AI Agents$34 /moFree plan · checked Oct 29, 2026Reviews elsewhere
We link to reviews instead of copying ratings: those sites don't allow reuse, and we don't test products ourselves.
Questions
Is Stack AI free?
Yes. Free plan at $0/month with 500 runs per month, 2 projects, 1 seat, community support on Discord. Upgrade for more capacity.
Does Stack AI train AI on your data?
No, according to Stack AI: "We do not train any models on customer data."
Is Stack AI HIPAA compliant?
Stack AI says a HIPAA BAA is available.
