Stack AI
No-code enterprise AI platform for building and deploying LLM workflows and internal AI tools, backed by Y Combinator with 10k+ business users.
Stack AI is a no-code platform that lets businesses build, test, and deploy custom AI applications using a visual workflow builder without writing code. It supports 20+ LLM integrations, 70+ data connectors including Google Drive, SharePoint, and Confluence, and one-click deployment to internal portals, Slack, or API endpoints. Stack AI targets enterprise teams building internal AI tools like document Q&A bots, customer support automation, and data extraction pipelines, offering SOC 2 Type II compliance and on-premise deployment options. The company was backed by Y Combinator S23 and has over 10,000 business users since launching in 2023.
Key Features
- Visual drag-and-drop workflow builder with 20+ LLM integrations including GPT-4o and Claude
- 70+ pre-built connectors to Google Drive, SharePoint, Notion, and Confluence
- One-click deployment to web apps, Slack bots, or REST API endpoints
- SOC 2 Type II compliance with optional on-premise enterprise deployment
- Built-in testing and evaluation framework for LLM output quality assurance
- Role-based access controls and audit logging for enterprise governance requirements
Use Cases
- Non-technical teams building custom document Q&A tools over internal knowledge bases
- Operations teams automating repetitive data extraction from PDFs and emails
- Enterprise IT departments deploying department-specific AI assistants without custom development
- Startups rapidly prototyping AI-powered products before investing in engineering resources
Pros
- No-code builder lets business teams create AI tools without engineering team involvement
- 70+ data connectors remove integration work for common enterprise data sources
- SOC 2 compliance and on-premise options meet enterprise security requirements
Cons
- Pro tier at $199/month is expensive for small teams with limited AI use cases
- Complex branching logic in workflows becomes difficult to maintain without version control
- Vendor lock-in risk since workflows are not portable to other platforms
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