Free
For development and smaller production workloads.
- 25K actions a month
- 2 seats
- 7 days of audit history
Plans are based on monthly actions, team seats and audit retention. Agents, connected services, published skills and webhook endpoints are unlimited on every plan.
For development and smaller production workloads.
For developers running agents in production.
For teams that need more volume, longer records and control over detector settings.
For larger teams running agents across the business.
For organisations that need SSO, customer-managed encryption keys or contract terms.
| Included | Free | Developer | Pro | Business | Enterprise |
|---|---|---|---|---|---|
| Metered actions each month | 25K | 250K | 1.5M | 10M | Agreed |
| Audit retention | 7 days | 30 days | 1 year | 2 years | Agreed |
| Seats, including the owner | 2 | 3 | 5 | 25 | Unlimited |
| Additional seats ($15 a month) | — | Up to 5 | Up to 10 | Unlimited | Contract |
| Agents, connections, published skills and webhooks | Unlimited | Unlimited | Unlimited | Unlimited | Unlimited |
| L3 prompt-injection classifications | Wallet | 2K | 10K | 25K | Agreed |
| Runtime and post-execution detectors | 26 | 26 | 26 | 26 | All 27 |
| Genome Drift | — | — | — | — | Yes |
| Custom detector patterns, allowlists and severity settings | — | — | Yes | Yes | Yes |
| Notification allowance: SMS / email | 0 / 100 | 10 / 1K | 50 / 5K | 250 / 10K | Agreed |
| Data egress fair use | 2 GB | 10 GB | 50 GB | 250 GB | Agreed |
| Publisher commission | 30% | 20% | 18% | 15% | Agreed |
| Enterprise SSO | — | — | — | — | Yes |
| Customer-managed encryption keys | — | — | — | — | Yes |
Publisher commission is STACK's share of the publisher's listed price for a paid skill.
Monthly action limits are soft. Additional actions and third-party costs draw from the STACK Wallet, which is separate from the subscription.
Revocation and access to the audit record do not depend on the Wallet balance.
Additional actions draw from the STACK Wallet at $0.10 / 1K. If the Wallet is empty, chargeable actions are denied. Revocation, audit access and the other unmetered controls remain available.
Overage, paid skills, identity checks, sealed execution, L3 classifications, notifications and the STACK fee on LLM gateway usage. The Wallet is separate from the subscription.
Yes. A cancelled subscription stays active until the end of its billing period and then returns to Free.
Volume, retention, infrastructure, support and commercial terms are agreed in the contract.