Stack AI

Stack AI

No-code platform for building and deploying enterprise AI agents and workflows on a visual canvas

Freemium
4.7 (12 reviews)

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About Stack AI

Stack AI is an enterprise platform that lets organizations build and deploy AI agents without writing code. The core idea is straightforward: connect your existing business systems, design workflows in a visual drag and drop interface, and let AI handle the repetitive work that used to require either expensive custom development or a team of specialists. It's built for companies that want to automate complex processes but don't have the engineering bandwidth to build everything from scratch. The platform has found traction across industries where manual document processing, data extraction, and decision making consume significant staff time.

The platform works by connecting to over a hundred different business tools and data sources. Once connected, users can design agent workflows that read documents, extract information, make decisions based on rules, and write outputs back into those systems. A legal team might build an agent that reviews contracts, identifies risky clauses, and routes flagged agreements to the right attorney. A finance department could automate the drafting of investment memos from raw portfolio data, pulling context from multiple databases and formatting outputs according to internal templates. Customer service teams can deploy agents that resolve support tickets by pulling context from CRM records, knowledge bases, and previous interactions, then taking action or escalating appropriately. The visual interface means these workflows can be built by business analysts or IT teams rather than machine learning engineers, which fundamentally changes who can participate in AI projects within an organization.

What makes Stack AI different from simpler automation tools is the depth of its AI capabilities combined with genuine flexibility in model selection. Users can deploy different language models optimized for specific tasks within the same workflow. One step might use a model that's particularly good at document understanding while another uses a model optimized for structured data extraction or code generation. The platform handles the orchestration, so teams don't need to manage model selection, API calls, or the complex prompt engineering that typically accompanies multi model workflows. There's also built in human oversight for critical decisions, meaning agents can escalate to people when confidence is low, stakes are high, or the situation falls outside the parameters the workflow was designed to handle. This human in the loop capability is essential for regulated industries where fully autonomous AI decisions aren't appropriate.

Security and compliance are central to the offering rather than afterthoughts. Stack AI holds SOC 2 Type II, HIPAA, GDPR, and ISO 27001 certifications, which opens the door to heavily regulated industries like healthcare and financial services where many AI tools get blocked at procurement. Deployment options include cloud, virtual private cloud, and fully on premises installations. For organizations that can't have data leaving their infrastructure due to regulatory requirements or internal policy, the on premises option means they can still use AI agents without compromising their security posture. The platform also provides audit trails for agent actions, making it possible to demonstrate compliance and trace decisions back to their inputs.

The target audience is clearly enterprise IT and architecture teams, though the actual builders often come from business units once the platform is deployed. The platform positions itself as a way to shift from bottlenecked AI projects that require specialized experts to a citizen developer model where business teams can build their own solutions with appropriate guardrails. Use cases span legal contract review, financial analysis, compliance monitoring, customer service automation, internal knowledge management, and HR process automation. The company highlights customers across industries who've deployed agents handling thousands of runs per month, though specific case studies and metrics vary.

Pricing follows a freemium model with a significant jump to enterprise tiers. The free tier includes 500 runs per month, two projects, and one seat, with community support through Discord. It's enough for teams to prototype workflows and validate ideas before committing budget. The enterprise tier is custom priced and unlocks unlimited projects, custom run volumes, dedicated solution engineers, priority support, and the advanced security features that regulated industries require. There's no published mid tier pricing, suggesting the platform is optimized for either individual experimentation or full enterprise deployments rather than small team use cases. This pricing structure reflects the typical enterprise sales motion: free for proof of concept, then a larger contract once value is demonstrated.

Stack AI sits in a growing category of no code AI platforms, but it distinguishes itself through enterprise governance and the breadth of its integration library. Competitors often focus on either ease of use for small teams or enterprise security, rarely both. For organizations that have been watching AI capabilities evolve but struggling to implement them safely at scale, Stack AI offers a path that doesn't require hiring machine learning teams or compromising on compliance requirements. The platform continues to add integrations and capabilities, positioning itself as a foundational layer for enterprise AI rather than a point solution for specific use cases.

Key Features

  • Drag-and-drop visual builder for AI agents and multi-step workflows
  • Model-agnostic across major LLM providers, swap models per step
  • Over 100 integrations including Salesforce, SharePoint, and SAP
  • One-click RAG pipelines to index and query internal documents
  • Human-in-the-loop checkpoints and workflow-level guardrails
  • SOC 2 Type II, HIPAA, GDPR, and ISO 27001 compliance with VPC and on-prem options

Pros & Cons

What we like

  • Compliance and deployment options fit regulated industries like healthcare and finance
  • No-code canvas puts agent building in reach of non-engineers
  • Not locked to one AI vendor, so you can pick the best model per task
  • Free plan lets teams prototype before committing to Enterprise

Room for improvement

  • Beyond the free plan, real usage means custom Enterprise pricing and a sales call
  • Free tier caps you at 500 runs a month, 2 projects, and a single seat
  • Heavy enterprise focus can feel like overkill for small teams or solo builders
  • Advanced governance, SSO, and on-prem are gated behind the Enterprise tier

Frequently Asked Questions

What is Stack AI?
Stack AI is an enterprise-grade no-code platform for building, deploying, and managing AI agents and workflows. Its visual drag-and-drop builder lets technical and non-technical teams create automations that connect to internal data and tools. In May 2026 it was acquired by Asana for about 75 million dollars.
How much does Stack AI cost?
Stack AI offers a free edition for individuals and small teams to build and test agents with core integrations and no payment details required. The Enterprise edition is custom-priced per seat and adds advanced security, governance, RBAC, SSO, and compliance such as SOC 2 and HIPAA, as of 2026.
Who is Stack AI best for?
Stack AI targets enterprises and larger teams that need governed, secure AI agents wired into systems like SharePoint, Salesforce, Workday, and SAP. It fits regulated organizations wanting no-code agent building alongside strong compliance, rather than individual hobbyists or pure developer-framework users.
What integrations does Stack AI support?
Stack AI connects natively to more than 100 enterprise tools and data sources, and supports all major LLM providers including OpenAI, Anthropic, and Google. This breadth lets teams ground agents in company knowledge bases and trigger actions across existing business software without custom code.

Best For

Automating contract review and document analysis at scaleBuilding internal knowledge assistants over company data with RAGTriaging and routing IT or support tickets with agentsStanding up compliant AI workflows for finance and healthcare teams

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Reviews (12)

M
Maximilian Conti

Solid daily driver

Stack AI has quietly become part of my daily flow. It does what it says, which is rarer than it should be. No regrets so far.

2/16/2026 15 found this helpful
O
Oliver Souza

The kind of tool you forget you are paying for

Started using Stack AI casually, now it is pinned in my dock. I expected to churn off it in a week and I am still here. It earns its place in my stack.

2/21/2026 12 found this helpful
K
Kayode Silva

Recommended without reservation

Onboarded the whole team to Stack AI in an afternoon. Got real value out of not locked to one ai vendor, so you can pick the best model per task.

2/16/2026 10 found this helpful
J
Javier Rossi

Worth the price of admission

Hadn't planned on switching, but Stack AI was hard to ignore. What stands out is how it handles model-agnostic across major llm providers, swap models per step. Nothing flashy, it simply pulls its weight every day.

3/15/2026 9 found this helpful
A
Antoine Almeida

The kind of tool you forget you are paying for

Stack AI has quietly become part of my daily flow. What stands out is how it handles free plan lets teams prototype before committing to enterprise. Setup was painless and I was productive the same day.

5/10/2026 8 found this helpful
R
Riley Martinez

It just works

Three months of Stack AI later, here is what holds up. Real selling point for me was not locked to one ai vendor, so you can pick the best model per task. Easy yes for anyone weighing the same trade offs.

6/11/2026 7 found this helpful
E
Emma Choi

Bought it for one feature, stayed for ten

Onboarded the whole team to Stack AI in an afternoon. Support actually answered when I had a question, which surprised me. Easy yes for anyone weighing the same trade offs.

3/31/2026 7 found this helpful
E
Ethan Okafor

Worth the price of admission

Found Stack AI on a Reddit thread and I am glad I clicked. Their take on no-code canvas puts agent building in reach of non-engineers is genuinely good. It has shaved real time off my week. Hard to imagine going back to my old setup.

3/23/2026 7 found this helpful
Y
Yifan Tanaka

It just works

Started using Stack AI casually, now it is pinned in my dock. What stands out is how it handles model-agnostic across major llm providers, swap models per step. Mostly using it for triaging and routing it or support tickets with agents. Easy yes for anyone weighing the same trade offs.

4/4/2026 2 found this helpful
O
Oliver Clark

Solid but not perfect

Almost a year on Stack AI now, no plans to leave. The not locked to one ai vendor, so you can pick the best model per task is more useful than I expected. It has been a fit for standing up compliant ai workflows for finance and healthcare teams. My only gripe is advanced governance, sso, and on-prem are gated behind the enterprise tier. Worth the price for what I get out of it.

7/7/2026
D
Diego Ramirez

Best decision this quarter

Picked Stack AI for the price, stayed for the quality. Where it really wins is over 100 integrations including salesforce, sharepoint, and sap. Hard to imagine going back to my old setup.

3/27/2026
K
Khalid Taylor

Recommended without reservation

Found Stack AI on a Reddit thread and I am glad I clicked. The no-code canvas puts agent building in reach of non-engineers is more useful than I expected. It earns its place in my stack.

2/11/2026

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