Stack AI Pricing 2026

Plans, hidden costs, and cheaper alternatives compared

Reviews onG2

2 plans tracked·Updated Jul 2026

Is Stack AI worth the price?

60/10

Stack AI's pricing is quite limited for smaller teams, with only a Free tier and an Enterprise tier.

The Free tier offers a decent starting point with 500 runs/month for $0, but there's no mid-range option for growing businesses. This structure is best suited for individual developers or very large enterprises.

Pricing Plans

Free

$0 / month

500 runs per month
2 Projects
1 Seat
Community support on Discord

Enterprise

Custom

Custom number of runs
Unlimited projects
Custom number of seats
All features and data loaders
Dedicated infrastructure
Dedicated solution engineers
On-prem deployment
Virtual Private Cloud deployment

Calculate your cost View full pricing

Hidden Costs & Gotchas

No clear pricing for scaling beyond free tier

Enterprise features likely carry high custom costs

Potential for rapid overage if not on Enterprise

Which Plan Do You Need?

Individual developers exploring AI agents

Large enterprises needing custom solutions

Teams with strict compliance needs

How Stack AI Compares to Competitors

Compared to platforms like Zapier or Make.com, which offer tiered pricing for various usage levels starting around $20-30/month, Stack AI lacks a clear path for SMBs. Its direct jump from a free tier to a custom Enterprise solution is less flexible than competitors offering incremental growth plans.

Stack AI Pricing FAQ

How much does Stack AI cost?

Stack AI uses custom pricing. Contact Stack AI directly for a quote based on your team size and requirements.

Does Stack AI have a free plan?

Yes. Stack AI offers a free plan called "Free". It includes: 500 runs per month, 2 Projects, 1 Seat.

Is there a cheaper alternative to Stack AI?

Yes. Popular alternatives to Stack AI include LangChain, LlamaIndex, Hugging Face. Free alternatives include LangChain, LlamaIndex, Hugging Face. Compare them side-by-side on Toolradar.