Explainability

How CostAtlas.ai calculates Total Spend.

Every metric is backed by raw events, allocation logic, and audit trails you can export.

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Inputs

  • Usage events (models, tokens, cost). Raw source logs.
  • Subscription charges (seats, tiers). Vendor invoices.
  • Tenant + team mapping. Cost centers + RBAC.

Allocation logic

  • Seat charges allocated by active roster.
  • Unassigned seats flow into Unallocated bucket.
  • Usage spend attributed to team + project tags.

Audit artifacts

  • Connector run logs + status.
  • Raw event exports.
  • Allocation snapshots per billing period.

Computation trace

Follow the lineage from raw event to KPI tile.

1

Usage event ingestion

Cursor + OpenAI usage events normalized into usage_events table.

2

Seat allocation

Seat charges allocated to teams via cost center mapping rules.

3

Spend rollups

Daily aggregates computed into reporting tables for MTD KPIs.

4

Governance checks

Anomaly rules run on totals and usage outliers for alerts.