diff --git a/src/main/claude-usage/store.test.ts b/src/main/claude-usage/store.test.ts
index d29acbb4303..2f4c89d4b38 100644
--- a/src/main/claude-usage/store.test.ts
+++ b/src/main/claude-usage/store.test.ts
@@ -210,6 +210,53 @@ describe('ClaudeUsageStore', () => {
     ).toBeCloseTo(36.75)
   })
 
+  it('prices Claude Opus 4.8 with current Anthropic rates', async () => {
+    const store = createStoreWithState({
+      dailyAggregates: [
+        {
+          day: '2026-04-09',
+          model: 'anthropic/claude-opus-4-8-20260528',
+          projectKey: 'worktree:repo-1::/workspace/repo-a',
+          projectLabel: 'Repo A',
+          repoId: 'repo-1',
+          worktreeId: 'repo-1::/workspace/repo-a',
+          turnCount: 1,
+          zeroCacheReadTurnCount: 0,
+          inputTokens: 1_000_000,
+          outputTokens: 1_000_000,
+          cacheReadTokens: 1_000_000,
+          cacheWriteTokens: 1_000_000
+        },
+        {
+          day: '2026-04-09',
+          model: 'claude-opus-4.8-20260528',
+          projectKey: 'worktree:repo-1::/workspace/repo-a',
+          projectLabel: 'Repo A',
+          repoId: 'repo-1',
+          worktreeId: 'repo-1::/workspace/repo-a',
+          turnCount: 1,
+          zeroCacheReadTurnCount: 0,
+          inputTokens: 1_000_000,
+          outputTokens: 1_000_000,
+          cacheReadTokens: 1_000_000,
+          cacheWriteTokens: 1_000_000
+        }
+      ]
+    })
+
+    const summary = await store.getSummary('orca', '30d')
+    const breakdown = await store.getBreakdown('orca', '30d', 'model')
+
+    expect(summary.estimatedCostUsd).toBeCloseTo(73.5)
+    expect(
+      breakdown.find((row) => row.key === 'anthropic/claude-opus-4-8-20260528')
+        ?.estimatedCostUsd
+    ).toBeCloseTo(36.75)
+    expect(
+      breakdown.find((row) => row.key === 'claude-opus-4.8-20260528')?.estimatedCostUsd
+    ).toBeCloseTo(36.75)
+  })
+
   it('does not collapse older Opus 4.1 usage into current Opus 4.7 pricing', async () => {
     const store = createStoreWithState({
       dailyAggregates: [
diff --git a/src/main/claude-usage/store.ts b/src/main/claude-usage/store.ts
index ddd451f75ac..a6138f9f9ee 100644
--- a/src/main/claude-usage/store.ts
+++ b/src/main/claude-usage/store.ts
@@ -56,6 +56,7 @@ const SONNET_LONG_CONTEXT_PRICING = {
 } satisfies Partial<ClaudeModelPricing>
 
 const MODEL_PRICING: Record<string, ClaudeModelPricing> = {
+  'claude-opus-4-8': { input: 5, output: 25, cacheRead: 0.5, cacheWrite: 6.25 },
   'claude-opus-4-7': { input: 5, output: 25, cacheRead: 0.5, cacheWrite: 6.25 },
   'claude-opus-4-6': { input: 5, output: 25, cacheRead: 0.5, cacheWrite: 6.25 },
   'claude-opus-4-5': { input: 5, output: 25, cacheRead: 0.5, cacheWrite: 6.25 },
@@ -92,10 +93,13 @@ const MODEL_PRICING: Record<string, ClaudeModelPricing> = {
 const MODEL_ALIASES: Record<string, string> = {
   model_placeholder_m26: 'claude-opus-4-6',
   model_placeholder_m35: 'claude-sonnet-4-6',
+  'claude-opus-4.8': 'claude-opus-4-8',
   'claude-opus-4.6': 'claude-opus-4-6',
   'claude-sonnet-4.6': 'claude-sonnet-4-6',
+  'claude-opus-4.8-thinking': 'claude-opus-4-8',
   'claude-opus-4.6-thinking': 'claude-opus-4-6',
   'claude-sonnet-4.6-thinking': 'claude-sonnet-4-6',
+  'claude-opus-4-8-thinking': 'claude-opus-4-8',
   'claude-opus-4-6-thinking': 'claude-opus-4-6',
   'claude-sonnet-4-6-thinking': 'claude-sonnet-4-6'
 }
@@ -139,6 +143,9 @@ function normalizeModelForPricing(model: string | null): string | null {
   if (alias) {
     return alias
   }
+  if (lower.includes('opus-4-8') || lower.includes('opus-4.8')) {
+    return 'claude-opus-4-8'
+  }
   if (lower.includes('opus-4-7')) {
     return 'claude-opus-4-7'
   }