Per-minute below human cost.
Per-incident, priceless.
We charge for the minutes you used, not the seats we provisioned. Volume tiers kick in automatically — the contract you sign at 10k minutes is the same one your finance team will read at 10M.
For evaluation. Single-seat, shared EU cluster.
- Shared EU pool · best-effort latency
- Community Discord support
- Up to 3 agents · 1 phone number
- PL / EN / RU voices
- 7-day retention
Where production teams start. Dedicated Frankfurt plane, 99.9% SLA.
- Dedicated Frankfurt + Warsaw plane
- 99.9% SLA · 24h support · named CSM
- Unlimited agents · unlimited numbers
- 11 languages · custom voices
- OTEL + SIEM export
- 90-day retention · SOC 2 II package
- SSO · SCIM · audit log
Air-gapped binary, source-available core, named SRE pairing.
- Air-gapped binary or VPC install
- Source-available core (BSL 1.1)
- Named SRE pairing · dedicated Slack
- DORA / NIS2 paperwork in box
- Unlimited retention · BYOK
- 99.99% SLA · 1-hour P1
- Custom voice cloning
Estimate your monthly bill.
Move the slider. Volume discount kicks in automatically. Self-host removes the per-region surcharge and is a flat annual licence — the calculator approximates it.
Pricing falls as you grow. Automatically.
No re-negotiation, no re-papering. Your billing engine watches the meter and drops the per-minute rate the second you cross a threshold.
Every line, on one page.
This table is also the back of our order form. If you need a row added before signature, send us an email — most of them have already been added by someone else.
Eight things finance always asks.
Don't see yours? Email billing@calistro.eu — answered in a business day.