---
title: Token Cost
---

```js
import {apiFetch, pollDelay, waitForVisible} from "./components/config.js";
import {refCell} from "./components/ref-cell.js";
const POLL = 60_000;
```

```js
const evidenceSel = Inputs.radio(
  ["Measured only", "Active evidence", "All evidence"],
  {value: "Measured only", label: "Evidence"}
);
const sortSel = Inputs.select(
  ["Tokens Total", "Event Count"],
  {label: "Sort by"}
);
const maxSel = Inputs.select(
  [10, 20, 50, 100, 500],
  {value: 20, label: "Show"}
);
display(html`<div style="display:flex;gap:1.5rem;align-items:flex-end;flex-wrap:wrap;margin:0.5rem 0 1.5rem">${evidenceSel}${sortSel}${maxSel}</div>`);
const evidenceMode = view(evidenceSel);
const sortOrder = view(sortSel);
const maxResults = view(maxSel);
```

```js
function aggregatePath(mode) {
  if (mode === "Measured only") return "/token-events/aggregate/?measurement_kind=measured&include_superseded=false";
  if (mode === "All evidence") return "/token-events/aggregate/?include_superseded=true";
  return "/token-events/aggregate/?include_superseded=false";
}

const tokenState = (async function*() {
  let failures = 0;
  while (true) {
    let aggregate = null, quality = null, ok = false;
    try {
      const [r1, r2] = await Promise.all([
        apiFetch(aggregatePath(evidenceMode)),
        apiFetch("/token-events/quality/"),
      ]);
      ok = r1.ok && r2.ok;
      if (ok) {
        aggregate = await r1.json();
        quality = await r2.json();
      }
    } catch {}
    failures = ok ? 0 : failures + 1;
    yield {aggregate, quality, ok, ts: new Date()};
    await waitForVisible(pollDelay({ok, base: POLL, failures}));
  }
})();
```

```js
function nameCell(name, fullName) {
  const s = String(name ?? fullName ?? "—");
  const full = String(fullName ?? name ?? "—");
  const el = document.createElement("span");
  el.title = full;
  el.textContent = s.length > 80 ? s.slice(0, 80) + "…" : s;
  return el;
}

function sortRows(rows, sortField) {
  const s = [...rows];
  if (sortField === "Event Count") s.sort((a, b) => (b.event_count || 0) - (a.event_count || 0));
  else s.sort((a, b) => (b.tokens_total || 0) - (a.tokens_total || 0));
  return s;
}

function dictRows(obj, labelKey) {
  return Object.entries(obj ?? {})
    .map(([label, tokens_total]) => ({[labelKey]: label, tokens_total}))
    .sort((a, b) => b.tokens_total - a.tokens_total);
}

function metricRows(quality) {
  if (!quality) return [];
  return [
    {metric: "Measured", value: quality.measured_event_count},
    {metric: "Allocated", value: quality.allocated_event_count},
    {metric: "Estimated", value: quality.estimated_event_count},
    {metric: "Superseded", value: quality.superseded_event_count},
    {metric: "Fallback", value: quality.fallback_event_count},
    {metric: "Unattributed measured", value: quality.unattributed_measured_event_count},
    {metric: "Missing provenance", value: quality.missing_provenance_event_count},
    {metric: "Duplicate sources", value: quality.duplicate_source_count},
  ];
}
```

```js
const aggregate = tokenState.aggregate ?? {
  tokens_in: 0, tokens_out: 0, tokens_total: 0, event_count: 0,
  by_repo: [], by_workstream: [], by_task: [], by_model: [],
  by_measurement_kind: {}, by_source_provider: {},
};
const quality = tokenState.quality ?? null;
const _ok = tokenState.ok ?? false;
const _ts = tokenState.ts;
```

# Token Cost

```js
display(html`<div style="font-size:0.8rem;color:${_ok ? 'var(--theme-foreground-focus)' : 'red'}">
  ● ${_ok ? `Live · ${_ts?.toLocaleTimeString()} · ${aggregate.event_count.toLocaleString()} events · ${aggregate.tokens_total.toLocaleString()} tokens` : "API offline"}
</div>`);
```

```js
display(html`<div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0.75rem;margin:1rem 0">
  <div style="border:1px solid var(--theme-foreground-faint);border-radius:6px;padding:0.75rem">
    <div style="font-size:0.75rem;color:var(--theme-foreground-muted)">Tokens</div>
    <div style="font-size:1.4rem;font-weight:650">${aggregate.tokens_total.toLocaleString()}</div>
  </div>
  <div style="border:1px solid var(--theme-foreground-faint);border-radius:6px;padding:0.75rem">
    <div style="font-size:0.75rem;color:var(--theme-foreground-muted)">Events</div>
    <div style="font-size:1.4rem;font-weight:650">${aggregate.event_count.toLocaleString()}</div>
  </div>
  <div style="border:1px solid var(--theme-foreground-faint);border-radius:6px;padding:0.75rem">
    <div style="font-size:0.75rem;color:var(--theme-foreground-muted)">Last Event</div>
    <div style="font-size:1rem;font-weight:650">${aggregate.last_event_at ? new Date(aggregate.last_event_at).toLocaleString() : "—"}</div>
  </div>
  <div style="border:1px solid var(--theme-foreground-faint);border-radius:6px;padding:0.75rem">
    <div style="font-size:0.75rem;color:var(--theme-foreground-muted)">Last Ingested</div>
    <div style="font-size:1rem;font-weight:650">${aggregate.last_ingested_at ? new Date(aggregate.last_ingested_at).toLocaleString() : "—"}</div>
  </div>
</div>`);
```

## By Repo

```js
{
  const sorted = sortRows(aggregate.by_repo ?? [], sortOrder);
  const rows = sorted.slice(0, maxResults);
  if (rows.length === 0) {
    display(html`<p style="color:var(--theme-foreground-muted)">No token events with repo association yet.</p>`);
  } else {
    display(Plot.plot({
      title: "Token consumption by repo",
      marginLeft: 160,
      width: Math.min(900, width),
      x: {label: "Tokens", tickFormat: "~s"},
      y: {label: null},
      marks: [Plot.barX(rows, {x: "tokens_total", y: "label", fill: "#4e79a7", tip: true})],
    }));
    display(Inputs.table(rows.map((r, i) => ({...r, _ref: i})), {
      columns: ["_ref", "label", "tokens_in", "tokens_out", "tokens_total", "event_count"],
      header: {_ref: "REF", label: "Repo", tokens_in: "Tokens In", tokens_out: "Tokens Out", tokens_total: "Total", event_count: "Events"},
      format: {
        _ref: (_, i) => refCell(i + 1, "repos", rows[i].label),
        label: d => nameCell(d, d),
        tokens_in: d => d.toLocaleString(),
        tokens_out: d => d.toLocaleString(),
        tokens_total: d => d.toLocaleString(),
      },
      width: {_ref: 50, label: 160, tokens_in: 110, tokens_out: 110, tokens_total: 110, event_count: 80},
    }));
  }
}
```

## By Workplan

```js
{
  const sorted = sortRows(aggregate.by_workstream ?? [], sortOrder);
  const rows = sorted.slice(0, maxResults);
  if (rows.length === 0) {
    display(html`<p style="color:var(--theme-foreground-muted)">No workplan data yet.</p>`);
  } else {
    display(Inputs.table(rows.map((r, i) => ({...r, _ref: i})), {
      columns: ["_ref", "label", "tokens_in", "tokens_out", "tokens_total", "event_count"],
      header: {_ref: "REF", label: "Workplan", tokens_in: "Tokens In", tokens_out: "Tokens Out", tokens_total: "Total", event_count: "Events"},
      format: {
        _ref: (_, i) => refCell(i + 1, "workplans", rows[i].scope_id),
        label: d => nameCell(d, d),
        tokens_in: d => d.toLocaleString(),
        tokens_out: d => d.toLocaleString(),
        tokens_total: d => d.toLocaleString(),
      },
      width: {_ref: 50, label: 240, tokens_in: 110, tokens_out: 110, tokens_total: 110, event_count: 80},
    }));
  }
}
```

## By Evidence

```js
{
  const kindRows = dictRows(aggregate.by_measurement_kind, "kind");
  const sourceRows = dictRows(aggregate.by_source_provider, "source");
  if (kindRows.length === 0 && sourceRows.length === 0) {
    display(html`<p style="color:var(--theme-foreground-muted)">No evidence breakdown yet.</p>`);
  } else {
    display(html`<div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem">
      <div>${Inputs.table(kindRows, {
        columns: ["kind", "tokens_total"],
        header: {kind: "Kind", tokens_total: "Tokens"},
        format: {tokens_total: d => d.toLocaleString()},
      })}</div>
      <div>${Inputs.table(sourceRows, {
        columns: ["source", "tokens_total"],
        header: {source: "Source", tokens_total: "Tokens"},
        format: {tokens_total: d => d.toLocaleString()},
      })}</div>
    </div>`);
  }
}
```

## By Model

```js
{
  const rows = (aggregate.by_model ?? []).slice(0, maxResults);
  if (rows.length === 0) {
    display(html`<p style="color:var(--theme-foreground-muted)">No model data yet.</p>`);
  } else {
    display(Plot.plot({
      title: "Token consumption by model",
      marginLeft: 200,
      width: Math.min(700, width),
      x: {label: "Total tokens", tickFormat: "~s"},
      marks: [Plot.barX(rows, {x: "tokens_total", y: "label", fill: "#59a14f", tip: true})],
    }));
  }
}
```

## Data Quality

```js
if (!quality) {
  display(html`<p style="color:var(--theme-foreground-muted)">No quality data yet.</p>`);
} else {
  display(Inputs.table(metricRows(quality), {
    columns: ["metric", "value"],
    header: {metric: "Signal", value: "Count"},
    format: {value: d => d.toLocaleString()},
  }));
  display(html`<p style="font-size:0.8rem;color:var(--theme-foreground-muted)">
    Codex: ${quality.last_codex_ingested_at ? new Date(quality.last_codex_ingested_at).toLocaleString() : "—"}
    &nbsp;·&nbsp; Claude: ${quality.last_claude_ingested_at ? new Date(quality.last_claude_ingested_at).toLocaleString() : "—"}
    &nbsp;·&nbsp; Reconcile: ${quality.last_reconciliation_at ? new Date(quality.last_reconciliation_at).toLocaleString() : "—"}
  </p>`);
}
```

## Top Tasks by Tokens

```js
{
  const sorted = sortRows(aggregate.by_task ?? [], sortOrder);
  const rows = sorted.slice(0, maxResults);
  if (rows.length === 0) {
    display(html`<p style="color:var(--theme-foreground-muted)">No task-level data yet.</p>`);
  } else {
    display(Inputs.table(rows.map((r, i) => ({...r, _ref: i})), {
      columns: ["_ref", "label", "tokens_in", "tokens_out", "tokens_total"],
      header: {_ref: "REF", label: "Task", tokens_in: "In", tokens_out: "Out", tokens_total: "Total"},
      format: {
        _ref: (_, i) => refCell(i + 1, "tasks", rows[i].scope_id),
        label: d => nameCell(d, d),
        tokens_in: d => d.toLocaleString(),
        tokens_out: d => d.toLocaleString(),
        tokens_total: d => d.toLocaleString(),
      },
      width: {_ref: 50, label: 260},
    }));
  }
}
```
