From 062e77e55f05b821ff8c6c2b0380a57b5d8594f2 Mon Sep 17 00:00:00 2001
From: "Kai (Tam Nhu) Tran" <61256810+kaitranntt@users.noreply.github.com>
Date: Sat, 30 May 2026 14:56:32 -0400
Subject: [PATCH] fix(analytics): price Claude Opus 4.7 thinking

---
 src/web-server/model-pricing.ts  |  6 ++++++
 tests/unit/model-pricing.test.ts | 22 ++++++++++------------
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/src/web-server/model-pricing.ts b/src/web-server/model-pricing.ts
index 6d7a8bfa..a8f42fe0 100644
--- a/src/web-server/model-pricing.ts
+++ b/src/web-server/model-pricing.ts
@@ -243,6 +243,12 @@ const PRICING_REGISTRY: Record<string, ModelPricing> = {
     cacheCreationPerMillion: 6.25,
     cacheReadPerMillion: 0.5,
   },
+  'claude-opus-4-7-thinking': {
+    inputPerMillion: 5.0,
+    outputPerMillion: 25.0,
+    cacheCreationPerMillion: 6.25,
+    cacheReadPerMillion: 0.5,
+  },
 
   // ---------------------------------------------------------------------------
   // OpenAI Models - Source: better-ccusage
diff --git a/tests/unit/model-pricing.test.ts b/tests/unit/model-pricing.test.ts
index 9e6eca84..a6951211 100644
--- a/tests/unit/model-pricing.test.ts
+++ b/tests/unit/model-pricing.test.ts
@@ -256,14 +256,14 @@ describe('model-pricing', () => {
       expect(cost).toBe(36.75); // 5 + 25 + 6.25 + 0.5
     });
 
-    it('should calculate Claude Opus 4.7 cache cost consistently across repeat lookups', () => {
+    it('should calculate Claude Opus 4.7 thinking cost including cache token rates', () => {
       const usage: TokenUsage = {
         inputTokens: 1_000_000,
         outputTokens: 1_000_000,
         cacheCreationTokens: 1_000_000,
         cacheReadTokens: 1_000_000,
       };
-      const cost = calculateCost(usage, 'claude-opus-4-7');
+      const cost = calculateCost(usage, 'claude-opus-4-7-thinking');
       expect(cost).toBe(36.75); // 5 + 25 + 6.25 + 0.5
     });
   });
@@ -469,17 +469,15 @@ describe('model-pricing', () => {
     });
 
     it('gracefully ignores malformed cached model entries', () => {
-      setCachedModelsDevRegistry(
-        {
-          openai: {
-            id: 'openai',
-            models: {
-              'null-entry': null,
-              'gpt-5.5': { id: 'gpt-5.5', cost: { input: 5, output: 30 } },
-            },
+      setCachedModelsDevRegistry({
+        openai: {
+          id: 'openai',
+          models: {
+            'null-entry': null,
+            'gpt-5.5': { id: 'gpt-5.5', cost: { input: 5, output: 30 } },
           },
-        } as unknown as Parameters<typeof setCachedModelsDevRegistry>[0]
-      );
+        },
+      } as unknown as Parameters<typeof setCachedModelsDevRegistry>[0]);
 
       expect(() => getModelPricing('openai/gpt-5.5')).not.toThrow();
       expect(getModelPricing('openai/gpt-5.5').inputPerMillion).toBe(5);