Observability
What does 400 Datadog hosts cost in 2026?
At list pricing on the Pro plan ($15/host/mo, billed annual), 400 hosts run $6,000/month or $72,000/year. Real invoices vary with negotiated discounts, add-ons, and mid-cycle changes.
Monthly
$6,000
Annual
$72,000
Typical shelfware (18%)
$12,960/yr
All Datadog plans at 400 hosts
| Plan | Per host/mo | Total monthly | Total annual |
|---|---|---|---|
Pro 15-mo metric retention | $15 | $6,000 | $72,000 |
Enterprise SAML, audit trail, premier support | $23 | $9,200 | $110,400 |
Source: Datadog pricing page. List price, USD, annual billing where offered.
The number nobody puts on the pricing page
SeatMap.AI's Shelfware Index shows the median Datadog team runs at 18% inactive seats. On a 400-host Pro plan, that's $12,960/year paid for hosts that never showed up.
Other team sizes
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