diff --git a/ui/src/components/ProviderQuotaCard.test.tsx b/ui/src/components/ProviderQuotaCard.test.tsx
index 6555c5144f8..7d8bdae4fa1 100644
--- a/ui/src/components/ProviderQuotaCard.test.tsx
+++ b/ui/src/components/ProviderQuotaCard.test.tsx
@@ -15,6 +15,30 @@ describe("provider cost shares", () => {
     expect(html).toContain("50% of company budget");
     expect(html).not.toContain("of allocation");
   });
+  it("renders normalized mixed-era OpenAI totals consistently across models, windows, and subscription shares", () => {
+    // The report API combines one inclusive historical row and one exclusive
+    // receipt-backed row into 40 ordinary + 160 cached + 20 output per group.
+    const rows = (["metered_api", "subscription_included"] as const).map(billingType => ({
+      provider: "openai", biller: "openai", model: `test-${billingType}`, billingType,
+      costCents: 18, inputTokens: 40, cachedInputTokens: 160, outputTokens: 20,
+      apiRunCount: billingType === "metered_api" ? 2 : 0,
+      subscriptionRunCount: billingType === "subscription_included" ? 2 : 0,
+      subscriptionInputTokens: billingType === "subscription_included" ? 40 : 0,
+      subscriptionCachedInputTokens: billingType === "subscription_included" ? 160 : 0,
+      subscriptionOutputTokens: billingType === "subscription_included" ? 20 : 0,
+    }));
+    const html = renderToStaticMarkup(<ProviderQuotaCard provider="openai" rows={rows}
+      budgetMonthlyCents={0} totalCompanySpendCents={36} weekSpendCents={36} showDeficitNotch={false}
+      windowRows={[{ provider: "openai", biller: "openai", window: "5h", windowHours: 5,
+        costCents: 36, inputTokens: 80, cachedInputTokens: 320, outputTokens: 40 }]} />);
+    expect(html).toContain('>400</span> in');
+    expect(html).toContain('>40</span> out');
+    expect(html.match(/220 tok/g)).toHaveLength(2);
+    expect(html).toContain("440 tok");
+    expect(html).toContain("50% of token usage via subscription");
+    expect(html.match(/title="50% of provider tokens"/g)).toHaveLength(2);
+    expect(html).toContain("$0.36");
+  });
   it("hides historical spend-to-monthly-budget comparisons for providers and billers", () => {
     const common = { budgetMonthlyCents: 1000, totalCompanySpendCents: 20000, weekSpendCents: 0, showBudgetUtilization: false };
     const provider = renderToStaticMarkup(<ProviderQuotaCard {...common} provider="openai" rows={[]} windowRows={[]} showDeficitNotch={false} />);