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Stack AI

By Coda One Team · Last verified: March 2026

Disclosure: Some links earn us a commission at no extra cost to you. Rankings are independent — tools cannot pay for placement.

No-code AI app builder with enterprise-grade security and compliance

Freemium⚙️Agents & Automation Launched June 2023 API Available Updated March 2026

What is Stack AI?

Stack AI is a no-code platform for building AI applications using a visual workflow interface. It enables teams to create chatbots, document processing pipelines, data extraction tools, and AI agents by connecting pre-built nodes for LLM calls, data sources, logic, and outputs. The platform emphasizes enterprise readiness with SOC 2 compliance, HIPAA support, and on-premise deployment options. Stack AI integrates with Google Drive, Notion, SharePoint, and databases for knowledge-grounded applications.

Key Features

1Visual workflow builder with pre-built AI nodes
2Document processing and data extraction pipelines
3Knowledge base integration (Google Drive, Notion, SharePoint)
4SOC 2 and HIPAA compliance for regulated industries
5API publishing for embedding AI into existing products

Pros & Cons

Pros

  • Enterprise security focus — SOC 2, HIPAA, on-premise options
  • Clean visual interface accessible to non-technical users
  • Good integration with enterprise knowledge sources

Cons

  • Smaller community and ecosystem than Flowise or Dify
  • Run-based pricing can be limiting for high-volume applications

Ready to try Stack AI?

See if it fits your workflow — free plan available.

Get Started

Video Tutorials

Stack AI Overview

StackAI

Pricing

Free tier available; Pro at $49/mo; Enterprise with custom pricing

Free

$0

  • Limited runs
  • Basic nodes
  • Community support

Pro

$49/mo

  • 5,000 runs/mo
  • All integrations
  • Custom branding
  • Analytics

Enterprise

Custom

  • Unlimited runs
  • SSO/SAML
  • HIPAA compliance
  • On-premise
  • SLA
Get Started

Pay with crypto using a virtual Visa card

Humanize AI content from Stack AI

Transform AI-generated text into natural, human-sounding writing that bypasses detection tools.

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Who is Stack AI for?

1

HIPAA-compliant AI assistants for healthcare organizations

2

Document processing automation for legal and finance teams

3

Internal knowledge base chatbots with enterprise data sources

Frequently Asked Questions

Is Stack AI free?

Stack AI offers a free tier with limited features. Free tier available; Pro at $49/mo; Enterprise with custom pricing Paid plans unlock additional capabilities.

What are Stack AI's key features?

Stack AI's standout features include Visual workflow builder with pre-built AI nodes, Document processing and data extraction pipelines, Knowledge base integration (Google Drive, Notion, SharePoint), SOC 2 and HIPAA compliance for regulated industries. It offers 5 features in total designed for hipaa-compliant ai assistants for healthcare organizations.

Can I pay for Stack AI with cryptocurrency?

Stack AI does not currently accept cryptocurrency directly. However, you can pay with crypto using a virtual Visa card funded by USDT, USDC, or other stablecoins.

What are the best alternatives to Stack AI?

Popular alternatives to Stack AI include Coze, Dify, LangChain. Each offers different strengths in pricing, features, and specialization.

Does Stack AI have an API?

Yes, Stack AI offers an API. The API uses a usage-based pricing model.

Do I need to sign up to use Stack AI?

Stack AI requires an account to access most features. If you prefer no-signup tools, browse Coda One's free tools.

Does Stack AI work on mobile?

Stack AI works in any modern browser on desktop, tablet, and mobile — no install required. For offline or on-device workflows, check our tool catalog for alternatives.

Is my data safe with Stack AI?

Review Stack AI's privacy policy at https://www.stack-ai.com for specifics on data retention. For browser-local processing (no server upload), see Coda One's PDF and image tools.

What pricing plans does Stack AI offer?

Stack AI offers 3 plans: Free, Pro, Enterprise. Starts at Free. Compare with Coda One's own pricing.

Can I cancel or get a refund from Stack AI?

Cancellation and refund policies are set by Stack AI — check their terms at https://www.stack-ai.com. Coda One's own paid plans can be cancelled anytime from your subscription dashboard.

How can I pay for Stack AI with USDT or USDC?

Since Stack AI does not take crypto directly, the practical route is a Coda One virtual Visa card funded by USDT/USDC, which works anywhere Visa is accepted.

Who is Stack AI best for?

Stack AI is most useful for HIPAA-compliant AI assistants for healthcare organizations, Document processing automation for legal and finance teams, Internal knowledge base chatbots with enterprise data sources. For related workflows, explore Coda One's AI tool catalog.

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