Stack AI
No-code platform to build AI agents and workflows on your data.
Stack AI lets teams build LLM agents and automations connected to their documents and tools with a visual builder and API, aimed at enterprise use cases. Free tier; paid by usage/seats.
About Stack AI
Stack AI is one of 13 ai agents tools in our directory. It's positioned for internal AI assistants, document workflows.
With a free tier, Stack AI stands out in ai agents — 11 of 13 tools in this category offer free access. The free plan is often limited in features or users, so verify that trial access covers your use case.
Key capabilities include No-code agent builder, Connect docs/databases/tools, RAG pipelines. These are standard in modern ai agents platforms. Evaluate whether the tool's depth in each area matches your plant's needs and technical maturity.
Best for: internal AI assistants, document workflows, enterprise automation. When choosing between similar tools, validate that Stack AI has integrations with your existing systems (data historians, SCADA, ERP) and that support covers your region.
At $199.0/mo, Stack AI sits above the ai agents average of $37/mo, which ranges $3.5e-05–$199.0/mo across the 10 paid ai agents tools we track. Entry/"from" prices; free tiers show as 0. Verify current pricing on each tool's site.
Key features
- No-code agent builder
- Connect docs/databases/tools
- RAG pipelines
- API deployment
- Enterprise security
Pros
- Visual builder
- Strong integrations
- API deploy
Cons
- Pricey beyond free
- Enterprise focus
Alternatives to Stack AI
Dust
Build custom AI agents on your company's data.
Gumloop
No-code platform for building AI agents and workflows
Relay.app
AI workflow automation with human-in-the-loop steps
Zapier Central
AI-powered automation with natural language workflow creation.
See all Stack AI alternatives →
Compare Stack AI
Stack AI FAQ
Is Stack AI free?
Stack AI has a free tier you can start with; paid plans start from $199/mo (Starter).
How much does Stack AI cost?
Stack AI pricing starts from $199/mo (Starter). Check the official site for current plans.
What are the best alternatives to Stack AI?
Top alternatives to Stack AI include Dust, Gumloop, Relay.app, Zapier Central.
What is Stack AI best for?
Stack AI is best for internal AI assistants, document workflows, enterprise automation.
Reviewed by the ToolGlance editorial team · Last updated 2026-06-12
How we rate: ToolGlance scores combine pricing, core features, user-review signals and update frequency, compiled from public sources and vendor documentation — see our methodology. Figures are indicative and change often; always verify pricing and features on the vendor site before buying. Last updated 2026-06-12. Compiled by the ToolGlance editorial team.