Home / Compare / Stack AI vs Relevance AI
Stack AI vs Relevance AI pricing (Oct 2026)
Stack AI starts at Free only, Relevance AI starts at Custom pricing.
Last updated Oct 16, 2026
Relevance AI
Custom pricing
Pricing page could not be fully read (status: contact sales); some details unverified.
Price
Cheapest: Free only
- Free: Free only
- Enterprise: Custom pricing
Cheapest: Custom pricing
- Enterprise: Custom pricing
Annual price
- Free: Free only
- Enterprise: Custom pricing
- Enterprise: Custom pricing
Included usage
- Free: 500 runs/mo
- Enterprise: Unverified
- Enterprise: Unverified
Overage
- Free: Free only
- Enterprise: Custom pricing
- Enterprise: Custom pricing
Free tier
500 runs/mo
not shown
FAQ
Which is cheaper, Stack AI or Relevance AI?
Stack AI starts at Free only; Relevance AI starts at Custom pricing. One or both tools do not list a numeric starting price.
Do Stack AI and Relevance AI have free plans?
Stack AI: yes. Relevance AI: no free plan listed.