Stack AI pricing explained (2026): the real cost
verified 2026-06-01Free gets you 500 runs/month on 1 seat; anything production is a custom enterprise quote, so real cost is whatever the sales team negotiates (third parties have estimated roughly $50 to $500 per user per month) plus your own LLM token usage. Prices verified 2026-06-01 against stackai.com. prices change often, verify live
The tiers
Monthly and annual. The unit you pay against, per plan.
| tier | monthly | annual | what's included | unit |
|---|---|---|---|---|
| Free | $0 | n/a | 500 runs/month, 2 projects, 1 seat, community (Discord) support, all core inputs/data loaders/document readers | per month |
| Enterprise | Custom (contact sales)verify live | n/a | Custom runs and seats, unlimited projects, dedicated infrastructure, on-prem and VPC deployment, access control, SSO, SOC 2 / HIPAA / GDPR compliance, dedicated support and solution engineers | custom quote |
// pools and per-unit rates are volatile · verified 2026-06-01 · cells flagged verify live link to the live vendor page
The live pricing page now shows only Free and Enterprise: there is no published paid mid-tier, so any real usage means a custom sales quote with no transparent price.
The live pricing page now shows only Free and Enterprise: there is no published paid mid-tier, so any real usage means a custom sales quote with no transparent price. On-prem/VPC, SSO, and compliance are all Enterprise-only.
See live pricing on Stack AI →Worth it if
- You want to build internal AI agents and workflows with no code while meeting strict enterprise security and compliance requirements.
- Your usage stays inside the included allowance.
- You value Governed enterprise agents over raw lowest cost.
Look elsewhere if
- The live pricing page now shows only Free and Enterprise: there is no published paid mid-tier, so any real usage means a custom sales quote with no transparent price. On-prem/VPC, SSO, and compliance are all Enterprise-only.
- You're highly cost-sensitive at scale.
- A cheaper tool in the comparison covers your use case.
Ready to try Stack AI?
Start on the free tier (Yes: Free plan with 500 runs/month, 2 projects, 1 seat, and community (Discord) support.), then size your plan with the numbers above.
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Questions
How much does Stack AI really cost?
Free gets you 500 runs/month on 1 seat; anything production is a custom enterprise quote, so real cost is whatever the sales team negotiates (third parties have estimated roughly $50 to $500 per user per month) plus your own LLM token usage.
Does Stack AI have a free tier?
Free tier: Yes: Free plan with 500 runs/month, 2 projects, 1 seat, and community (Discord) support..
What's the catch with Stack AI's pricing?
The live pricing page now shows only Free and Enterprise: there is no published paid mid-tier, so any real usage means a custom sales quote with no transparent price. On-prem/VPC, SSO, and compliance are all Enterprise-only.
Is Stack AI worth it?
Stack AI is worth it if you specifically need Governed enterprise agents. That's where it beats the alternatives. Free gets you 500 runs/month on 1 seat; anything production is a custom enterprise quote, so real cost is whatever the sales team negotiates (third parties have estimated roughly $50 to $500 per user per month) plus your own LLM token usage. If your usage is high-volume or budget is the priority, a cheaper tool in the comparison will do the same work for less.