diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index 47af9a1e9..7bf0b0d5c 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -3171,6 +3171,7 @@ export function CanvasChatPanel({
         supportsWatermark?: boolean;
         supportsSeed?: boolean;
         creditCostPerImage?: number;
+        creditCostMultiplierBySize?: Record<string, number>;
         creditDiscountRate?: number;
         creditCostPerVideo?: number;
         videoDurationOptions?: number[];
@@ -3198,6 +3199,7 @@ export function CanvasChatPanel({
         supportsWatermark?: boolean;
         supportsSeed?: boolean;
         creditCostPerImage?: number;
+        creditCostMultiplierBySize?: Record<string, number>;
         creditDiscountRate?: number;
         creditCostPerVideo?: number;
         videoDurationOptions?: number[];
@@ -8332,7 +8334,10 @@ export function CanvasChatPanel({
     const pointsEnabled = membershipSummary?.pointsSystemConfig?.enabled === true;
     const blockOnInsufficient =
       membershipSummary?.pointsSystemConfig?.blockOnInsufficient !== false;
-    const unitCost = getImageCreditCostFromConfig(currentModel?.imageGenConfig);
+    const unitCost = getImageCreditCostFromConfig(
+      currentModel?.imageGenConfig,
+      imageParams?.imageSize
+    );
 
     if (!pointsEnabled || !blockOnInsufficient || unitCost <= 0) {
       return true;
@@ -8364,6 +8369,7 @@ export function CanvasChatPanel({
     activeComposerMode,
     currentModel?.imageGenConfig,
     imageParams?.imageCount,
+    imageParams?.imageSize,
     isVideoModel,
     membershipSummary?.isHighVip,
     membershipSummary?.pointsSystemConfig?.blockOnInsufficient,
@@ -8393,7 +8399,10 @@ export function CanvasChatPanel({
         : null;
     }
 
-    const unitCost = getImageCreditCostFromConfig(currentModel?.imageGenConfig);
+    const unitCost = getImageCreditCostFromConfig(
+      currentModel?.imageGenConfig,
+      imageParams?.imageSize
+    );
     const imageCount = Math.max(
       1,
       Math.round(Number(imageParams?.imageCount || 1))
@@ -8409,6 +8418,7 @@ export function CanvasChatPanel({
     activeComposerMode,
     currentModel?.imageGenConfig,
     imageParams?.imageCount,
+    imageParams?.imageSize,
     isVideoModel,
     membershipSummary?.isHighVip,
     membershipSummary?.pointsSystemConfig?.enabled,
diff --git a/components/chat.tsx b/components/chat.tsx
index ca4fb9d61..97daf3a5a 100644
--- a/components/chat.tsx
+++ b/components/chat.tsx
@@ -552,6 +552,8 @@ export function Chat({
         supportsWatermark?: boolean;
         supportsSeed?: boolean;
         creditCostPerImage?: number;
+        creditCostMultiplierBySize?: Record<string, number>;
+        creditDiscountRate?: number;
         creditCostPerVideo?: number;
         videoDurationOptions?: number[];
         creditCostPerVideoByDuration?: Record<string, number>;
diff --git a/components/multimodal-input.tsx b/components/multimodal-input.tsx
index 96da03d3f..23b629218 100644
--- a/components/multimodal-input.tsx
+++ b/components/multimodal-input.tsx
@@ -41,6 +41,7 @@ type DynamicModel = {
     supportsWatermark?: boolean;
     supportsSeed?: boolean;
     creditCostPerImage?: number;
+    creditCostMultiplierBySize?: Record<string, number>;
     creditDiscountRate?: number;
     creditCostPerVideo?: number;
     videoDurationOptions?: number[];
@@ -220,6 +221,7 @@ function PureMultimodalInput({
     supportsWatermark?: boolean;
     supportsSeed?: boolean;
     creditCostPerImage?: number;
+    creditCostMultiplierBySize?: Record<string, number>;
     creditDiscountRate?: number;
     creditCostPerVideo?: number;
     videoDurationOptions?: number[];
@@ -356,7 +358,10 @@ function PureMultimodalInput({
     }
 
     if (!isImageModel) return null;
-    const unitCost = getImageCreditCostFromConfig(imageGenConfig);
+    const unitCost = getImageCreditCostFromConfig(
+      imageGenConfig,
+      imageParams?.imageSize
+    );
     const imageCount = Math.max(
       1,
       Math.round(Number(imageParams?.imageCount || 1))
@@ -371,6 +376,7 @@ function PureMultimodalInput({
   }, [
     imageGenConfig,
     imageParams?.imageCount,
+    imageParams?.imageSize,
     isImageModel,
     isVideoModel,
     membershipSummary?.isHighVip,
@@ -450,7 +456,10 @@ function PureMultimodalInput({
     const pointsEnabled = membershipSummary?.pointsSystemConfig?.enabled === true;
     const blockOnInsufficient =
       membershipSummary?.pointsSystemConfig?.blockOnInsufficient !== false;
-    const unitCost = getImageCreditCostFromConfig(imageGenConfig);
+    const unitCost = getImageCreditCostFromConfig(
+      imageGenConfig,
+      imageParams?.imageSize
+    );
 
     if (!pointsEnabled || !blockOnInsufficient || unitCost <= 0) {
       return true;
@@ -481,6 +490,7 @@ function PureMultimodalInput({
   }, [
     imageGenConfig,
     imageParams?.imageCount,
+    imageParams?.imageSize,
     isImageModel,
     isVideoModel,
     membershipSummary?.isHighVip,