diff --git a/packages/data-schemas/src/methods/tx.spec.ts b/packages/data-schemas/src/methods/tx.spec.ts
index 42688881ef..323b591858 100644
--- a/packages/data-schemas/src/methods/tx.spec.ts
+++ b/packages/data-schemas/src/methods/tx.spec.ts
@@ -470,6 +470,36 @@ describe('getMultiplier', () => {
     }
   });
 
+  it('should use the documented gpt-5.6 pricing', () => {
+    const expectedPricing = {
+      'gpt-5.6': {
+        standard: { prompt: 5, completion: 30 },
+        cache: { write: 6.25, read: 0.5 },
+        premium: { threshold: 272000, prompt: 10, completion: 45 },
+        premiumCache: { threshold: 272000, write: 12.5, read: 1 },
+      },
+      'gpt-5.6-terra': {
+        standard: { prompt: 2, completion: 12 },
+        cache: { write: 2.5, read: 0.2 },
+        premium: { threshold: 272000, prompt: 4, completion: 18 },
+        premiumCache: { threshold: 272000, write: 5, read: 0.4 },
+      },
+      'gpt-5.6-luna': {
+        standard: { prompt: 0.2, completion: 1.2 },
+        cache: { write: 0.25, read: 0.02 },
+        premium: { threshold: 272000, prompt: 0.4, completion: 1.8 },
+        premiumCache: { threshold: 272000, write: 0.5, read: 0.04 },
+      },
+    };
+
+    for (const [model, pricing] of Object.entries(expectedPricing)) {
+      expect(tokenValues[model]).toEqual(pricing.standard);
+      expect(cacheTokenValues[model]).toEqual(pricing.cache);
+      expect(premiumTokenValues[model]).toEqual(pricing.premium);
+      expect(premiumCacheTokenValues[model]).toEqual(pricing.premiumCache);
+    }
+  });
+
   it('should return the correct multiplier for gpt-4o', () => {
     const valueKey = getValueKey('gpt-4o-2024-08-06');
     expect(getMultiplier({ valueKey, tokenType: 'prompt' })).toBe(tokenValues['gpt-4o'].prompt);
@@ -2854,8 +2884,8 @@ describe('GPT-5.6 Long-Context Premium Pricing', () => {
       const premiumEntry = premiumTokenValues[model];
       expect(premiumEntry).toBeDefined();
       expect(premiumEntry.threshold).toBe(272000);
-      expect(premiumEntry.prompt).toBe(tokenValues[model].prompt * 2);
-      expect(premiumEntry.completion).toBe(tokenValues[model].completion * 1.5);
+      expect(premiumEntry.prompt).toBeCloseTo(tokenValues[model].prompt * 2);
+      expect(premiumEntry.completion).toBeCloseTo(tokenValues[model].completion * 1.5);
     }
   });
 
diff --git a/packages/data-schemas/src/methods/tx.ts b/packages/data-schemas/src/methods/tx.ts
index c474ee5da2..d498179052 100644
--- a/packages/data-schemas/src/methods/tx.ts
+++ b/packages/data-schemas/src/methods/tx.ts
@@ -148,8 +148,8 @@ export const tokenValues: Record<string, { prompt: number; completion: number }>
     'gpt-5.5': { prompt: 5, completion: 30 },
     'gpt-5.5-pro': { prompt: 30, completion: 180 },
     'gpt-5.6': { prompt: 5, completion: 30 },
-    'gpt-5.6-terra': { prompt: 2.5, completion: 15 },
-    'gpt-5.6-luna': { prompt: 1, completion: 6 },
+    'gpt-5.6-terra': { prompt: 2, completion: 12 },
+    'gpt-5.6-luna': { prompt: 0.2, completion: 1.2 },
     'chat-latest': { prompt: 5, completion: 30 },
     'gpt-5-chat-latest': { prompt: 1.25, completion: 10 },
     'gpt-5.1-chat-latest': { prompt: 1.25, completion: 10 },
@@ -381,8 +381,8 @@ export const cacheTokenValues: Record<string, { write: number; read: number }> =
   'gpt-5.4-nano': { write: 0.2, read: 0.02 },
   'gpt-5.5': { write: 5, read: 0.5 },
   'gpt-5.6': { write: 6.25, read: 0.5 },
-  'gpt-5.6-terra': { write: 3.125, read: 0.25 },
-  'gpt-5.6-luna': { write: 1.25, read: 0.1 },
+  'gpt-5.6-terra': { write: 2.5, read: 0.2 },
+  'gpt-5.6-luna': { write: 0.25, read: 0.02 },
   'chat-latest': { write: 5, read: 0.5 },
   'gpt-5-chat-latest': { write: 1.25, read: 0.125 },
   'gpt-5.1-chat-latest': { write: 1.25, read: 0.125 },
@@ -436,8 +436,8 @@ export const premiumTokenValues: Record<
   'gpt-5.5': { threshold: 272000, prompt: 10, completion: 45 },
   'gpt-5.5-pro': { threshold: 272000, prompt: 60, completion: 270 },
   'gpt-5.6': { threshold: 272000, prompt: 10, completion: 45 },
-  'gpt-5.6-terra': { threshold: 272000, prompt: 5, completion: 22.5 },
-  'gpt-5.6-luna': { threshold: 272000, prompt: 2, completion: 9 },
+  'gpt-5.6-terra': { threshold: 272000, prompt: 4, completion: 18 },
+  'gpt-5.6-luna': { threshold: 272000, prompt: 0.4, completion: 1.8 },
   'grok-4.5': { threshold: 200000, prompt: 4, completion: 12 },
   'grok-4-5': { threshold: 200000, prompt: 4, completion: 12 },
   'grok-4.6': { threshold: 200000, prompt: 4, completion: 12 },
@@ -457,8 +457,8 @@ export const premiumCacheTokenValues: Record<
   'gpt-5.4': { threshold: 272000, write: 5, read: 0.5 },
   'gpt-5.5': { threshold: 272000, write: 10, read: 1 },
   'gpt-5.6': { threshold: 272000, write: 12.5, read: 1 },
-  'gpt-5.6-terra': { threshold: 272000, write: 6.25, read: 0.5 },
-  'gpt-5.6-luna': { threshold: 272000, write: 2.5, read: 0.2 },
+  'gpt-5.6-terra': { threshold: 272000, write: 5, read: 0.4 },
+  'gpt-5.6-luna': { threshold: 272000, write: 0.5, read: 0.04 },
 };
 
 export function createTxMethods(