List · 2026
Keep is free. Paid plans buy identity, edge, and HA.
White-glove install is invoiced separately. Charter prices the grant at issue time. Term starts when the code is generated, not when it is pasted.
| Product | Keep | Watch | Command |
|---|---|---|---|
| SST-Citadel | $0 / user | $3 / user / mo | $5 / user / mo |
| Sigma Signet | $0 / user | $4 / user / mo | $8 / user / mo |
| Sigma Alembic | $0 / workspace | $15 / workspace / mo | $39 / workspace / mo |
| Sigma Janus | $0 / workspace | $29 / workspace / mo | $59 / workspace / mo |
| Sigma Merlon | $0 / appliance | $29 / appliance / mo | $79 / appliance / mo |
| Sigma Hermes | Deployer, not a seat SKU. Live apply is SST-gated Command. | ||
| Sigma Charter | Not sold. Operator license office only. | ||
Helios, Argus, Halo, and Aegis are scoped at first-host time, not a public seat card yet. Cloud replication tools (Azure Migrate, AWS MGN) are billed by those clouds, not by Janus.
This is a list, not a checkout. Production SST infrastructure is still greenfield. You buy a Founding Operator path — hour, rehearsal, install — not a self-serve tenant.