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fix(billing): label estimated costs in usage reports #575

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fix(billing): label estimated costs in usage reports #575

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f2a66c3
fix(billing): label estimated costs in reports
Ayinkx Oct 28, 2026
6f4b7dd
fix(billing): label estimated costs in reports
Ayinkx Oct 28, 2026
95f0a82
test(billing): assert estimate labels in admin usage report
Ayinkx Oct 28, 2026
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6 changes: 3 additions & 3 deletions app/templates/admin/usage_report.html
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,7 @@ <h2 id="report-totals-heading">Filtered totals</h2>
<div class="metric"><span class="metric-label">Prompt tokens</span><strong>{{ summary.prompt_tokens }}</strong></div>
<div class="metric"><span class="metric-label">Completion tokens</span><strong>{{ summary.completion_tokens }}</strong></div>
<div class="metric"><span class="metric-label">Total tokens</span><strong>{{ summary.total_tokens }}</strong></div>
<div class="metric"><span class="metric-label">Estimated cost</span><strong>{{ currency.symbol }}{{ '%.6f'|format(summary.cost_estimate) }}</strong></div>
<div class="metric"><span class="metric-label" title="Estimated from the configured price table; not a provider-confirmed charge.">Estimated cost</span><strong title="Estimated from the configured price table; not a provider-confirmed charge." aria-label="Estimated cost, {{ currency.code }}">{{ currency.symbol }}{{ '%.6f'|format(summary.cost_estimate) }}</strong></div>
</div>
<p class="sidebar-empty">
{{ summary.priced_records }} of {{ summary['count'] }} rows have a known price.
Expand All @@ -97,7 +97,7 @@ <h2 id="report-rows-heading">Usage rows</h2>
<th scope="col">Model</th>
<th scope="col">Status</th>
<th scope="col">Tokens</th>
<th scope="col">Estimated cost</th>
<th scope="col" title="Estimated from the configured price table; not a provider-confirmed charge.">Estimated cost</th>
</tr>
</thead>
<tbody>
Expand All @@ -111,7 +111,7 @@ <h2 id="report-rows-heading">Usage rows</h2>
<td>{{ row.model or 'unknown' }}</td>
<td>{{ row.status or 'unknown' }}</td>
<td>{{ row.total_tokens or 0 }}</td>
<td>{% if row.cost_estimate is none %}&mdash;{% else %}{{ currency.symbol }}{{ '%.6f'|format(row.cost_estimate) }}{% endif %}</td>
<td title="Estimated from the configured price table; not a provider-confirmed charge.">{% if row.cost_estimate is none %}&mdash;{% else %}{{ currency.symbol }}{{ '%.6f'|format(row.cost_estimate) }}{% endif %}</td>
</tr>
{% endfor %}
</tbody>
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10 changes: 5 additions & 5 deletions app/templates/billing/usage.html
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Expand Up @@ -62,7 +62,7 @@ <h2 id="totals-heading">Totals</h2>
<div class="metric"><span class="metric-label">Prompt tokens</span><strong>{{ dashboard.totals.prompt_tokens }}</strong></div>
<div class="metric"><span class="metric-label">Completion tokens</span><strong>{{ dashboard.totals.completion_tokens }}</strong></div>
<div class="metric"><span class="metric-label">Operations</span><strong>{{ dashboard.totals['count'] }}</strong></div>
<div class="metric"><span class="metric-label">Estimated cost</span><strong>{{ dashboard.currency.symbol }}{{ '%.6f'|format(dashboard.totals.cost_estimate) }}</strong></div>
<div class="metric"><span class="metric-label" title="Estimated from the configured price table; not a provider-confirmed charge.">Estimated cost</span><strong title="Estimated from the configured price table; not a provider-confirmed charge." aria-label="Estimated cost, {{ dashboard.currency.code }}">{{ dashboard.currency.symbol }}{{ '%.6f'|format(dashboard.totals.cost_estimate) }}</strong></div>
</div>
<p class="sidebar-empty">
{{ dashboard.totals.priced_records }} of {{ dashboard.totals['count'] }} operations have a known price.
Expand All @@ -81,7 +81,7 @@ <h2 id="{{ title|lower|replace(' ', '-') }}-heading">{{ title }}</h2>
<th scope="col">Prompt</th>
<th scope="col">Completion</th>
<th scope="col">Total tokens</th>
<th scope="col">Estimated cost</th>
<th scope="col" title="Estimated from the configured price table; not a provider-confirmed charge.">Estimated cost</th>
</tr>
</thead>
<tbody>
Expand All @@ -92,7 +92,7 @@ <h2 id="{{ title|lower|replace(' ', '-') }}-heading">{{ title }}</h2>
<td>{{ row.prompt_tokens }}</td>
<td>{{ row.completion_tokens }}</td>
<td>{{ row.total_tokens }}</td>
<td>{{ dashboard.currency.symbol }}{{ '%.6f'|format(row.cost_estimate) }}</td>
<td title="Estimated from the configured price table; not a provider-confirmed charge.">{{ dashboard.currency.symbol }}{{ '%.6f'|format(row.cost_estimate) }}</td>
</tr>
{% endfor %}
</tbody>
Expand All @@ -118,7 +118,7 @@ <h2 id="daily-heading">Daily time series</h2>
<th scope="col">Prompt</th>
<th scope="col">Completion</th>
<th scope="col">Total tokens</th>
<th scope="col">Estimated cost</th>
<th scope="col" title="Estimated from the configured price table; not a provider-confirmed charge.">Estimated cost</th>
</tr>
</thead>
<tbody>
Expand All @@ -129,7 +129,7 @@ <h2 id="daily-heading">Daily time series</h2>
<td>{{ row.prompt_tokens }}</td>
<td>{{ row.completion_tokens }}</td>
<td>{{ row.total_tokens }}</td>
<td>{{ dashboard.currency.symbol }}{{ '%.6f'|format(row.cost_estimate) }}</td>
<td title="Estimated from the configured price table; not a provider-confirmed charge.">{{ dashboard.currency.symbol }}{{ '%.6f'|format(row.cost_estimate) }}</td>
</tr>
{% endfor %}
</tbody>
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14 changes: 14 additions & 0 deletions tests/test_admin_usage_report.py
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Expand Up @@ -206,3 +206,17 @@ def test_filters_persist_in_pagination_links(self, client, login):
html = response.get_data(as_text=True)
assert "source=chat" in html
assert f"user_id={user.id}" in html

def test_cost_values_are_explicitly_labelled_as_estimates(self, client, login):
user = _user("cost-reader", "cost-reader@example.com")
_admin()
_record(user)
login(email="admin@example.com")

response = client.get("/admin/usage/report")

assert response.status_code == 200
html = response.get_data(as_text=True)
assert 'title="Estimated from the configured price table; not a provider-confirmed charge."' in html
assert 'aria-label="Estimated cost, USD"' in html
assert "<th scope=\"col\" title=\"Estimated from the configured price table; not a provider-confirmed charge.\">Estimated cost</th>" in html
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