Cost & tokens

Path: Analytics → Event Explorer

Track what your AI-Native agents spend and consume, down to the specific action being performed, so you can attribute, analyze, and budget. Cost and token metrics work by aggregating the numeric properties on an event rather than counting occurrences.

What you can aggregate

Pick any of these numeric properties and Sum them (total) or Average them (per event):

Property	Measures
Estimated cost / Action call estimated cost	Money spent, overall or per action call.
Input tokens	Input tokens for the event (delta), from the AI provider API.
Output tokens	Output tokens generated.
Cached tokens	Tokens served from cache.
Thoughts tokens	Reasoning / thinking tokens.
Total tokens	Input + output + everything, per event.
Action instructions tokens	Tokens spent on the action’s instructions.

Build a cost report

In Events or Metrics, select the event Action Called (it fires every time the agent performs a distinct task).
Under the event name, open the counting dropdown (Unique / Total Events) and choose Aggregate Property, then pick the property — Estimated cost for spend, or a token type like Input tokens — and select Sum (total) or Average (per event). The metric label reads, for example, Sum of Estimated cost.
In Breakdown, select Action key to split the total into one segment per action. Break down by AI provider LLM model name or LLM provider instead to compare models.
Set Chart Type to Stacked Bar and the time range to 7D or 30D.

Read it

Stacked bar chart — each bar is the total for that day; colored segments are the contribution of each action (or model). A large segment flags the main cost or token driver that day.
Data table — below the chart: Total (cumulative over the range), Average (typical per day), and the daily breakdown per action.

Action response tokens: measure the token size of what actions return to the agent (the tool-result payload).
Events & metrics and Properties & filters: the events and numeric properties behind these metrics.
Actions: how often each action runs (the volume behind the cost).