diff --git a/mcp-server/src/imageGenerator.ts b/mcp-server/src/imageGenerator.ts
index 41e865a..00b9c6b 100644
--- a/mcp-server/src/imageGenerator.ts
+++ b/mcp-server/src/imageGenerator.ts
@@ -31,6 +31,15 @@ export class ImageGenerator {
     console.error(`DEBUG - Using image model: ${this.modelName}`);
   }
 
+  private resolveModel(request: ImageGenerationRequest): string {
+    if (request.model && request.model !== this.modelName) {
+      console.error(
+        `DEBUG - Overriding model for this call: ${request.model} (server default: ${this.modelName})`,
+      );
+    }
+    return request.model || this.modelName;
+  }
+
   private async openImagePreview(filePath: string): Promise<void> {
     try {
       const platform = process.platform;
@@ -265,7 +274,7 @@ export class ImageGenerator {
         try {
           // Make API call for each variation
           const response = await this.ai.models.generateContent({
-            model: this.modelName,
+            model: this.resolveModel(request),
             contents: [
               {
                 role: 'user',
@@ -451,7 +460,7 @@ export class ImageGenerator {
   
           try {
             const response = await this.ai.models.generateContent({
-              model: this.modelName,
+              model: this.resolveModel(request),
               contents: [
                 {
                   role: 'user',
@@ -574,7 +583,7 @@ export class ImageGenerator {
       );
 
       const response = await this.ai.models.generateContent({
-        model: this.modelName,
+        model: this.resolveModel(request),
         contents: [
           {
             role: 'user',
diff --git a/mcp-server/src/index.ts b/mcp-server/src/index.ts
index 40ce958..ea10d79 100644
--- a/mcp-server/src/index.ts
+++ b/mcp-server/src/index.ts
@@ -103,6 +103,11 @@ class NanoBananaServer {
                     'Automatically open generated images in default viewer',
                   default: false,
                 },
+                model: {
+                  type: 'string',
+                  description:
+                    "Overrides the server's default model for this single call (optional)",
+                },
               },
               required: ['prompt'],
             },
@@ -127,6 +132,11 @@ class NanoBananaServer {
                     'Automatically open generated images in default viewer',
                   default: false,
                 },
+                model: {
+                  type: 'string',
+                  description:
+                    "Overrides the server's default model for this single call (optional)",
+                },
               },
               required: ['prompt', 'file'],
             },
@@ -152,6 +162,11 @@ class NanoBananaServer {
                     'Automatically open generated images in default viewer',
                   default: false,
                 },
+                model: {
+                  type: 'string',
+                  description:
+                    "Overrides the server's default model for this single call (optional)",
+                },
               },
               required: ['prompt', 'file'],
             },
@@ -210,6 +225,11 @@ class NanoBananaServer {
                     'Automatically open generated images in default viewer',
                   default: false,
                 },
+                model: {
+                  type: 'string',
+                  description:
+                    "Overrides the server's default model for this single call (optional)",
+                },
               },
               required: ['prompt'],
             },
@@ -267,6 +287,11 @@ class NanoBananaServer {
                     'Automatically open generated images in default viewer',
                   default: false,
                 },
+                model: {
+                  type: 'string',
+                  description:
+                    "Overrides the server's default model for this single call (optional)",
+                },
               },
               required: ['prompt'],
             },
@@ -326,6 +351,11 @@ class NanoBananaServer {
                     'Automatically open generated images in default viewer',
                   default: false,
                 },
+                model: {
+                  type: 'string',
+                  description:
+                    "Overrides the server's default model for this single call (optional)",
+                },
               },
               required: ['prompt'],
             },
@@ -392,6 +422,11 @@ class NanoBananaServer {
                     'Automatically open generated images in default viewer',
                   default: false,
                 },
+                model: {
+                  type: 'string',
+                  description:
+                    "Overrides the server's default model for this single call (optional)",
+                },
               },
               required: ['prompt'],
             },
@@ -424,6 +459,7 @@ class NanoBananaServer {
               noPreview:
                 (args?.noPreview as boolean) ||
                 (args?.['no-preview'] as boolean),
+              model: args?.model as string,
             };
             response =
               await this.imageGenerator.generateTextToImage(imageRequest);
@@ -439,6 +475,7 @@ class NanoBananaServer {
               noPreview:
                 (args?.noPreview as boolean) ||
                 (args?.['no-preview'] as boolean),
+              model: args?.model as string,
             };
             response = await this.imageGenerator.editImage(editRequest);
             break;
@@ -453,6 +490,7 @@ class NanoBananaServer {
               noPreview:
                 (args?.noPreview as boolean) ||
                 (args?.['no-preview'] as boolean),
+              model: args?.model as string,
             };
             response = await this.imageGenerator.editImage(restoreRequest);
             break;
@@ -468,6 +506,7 @@ class NanoBananaServer {
               noPreview:
                 (args?.noPreview as boolean) ||
                 (args?.['no-preview'] as boolean),
+              model: args?.model as string,
             };
             response =
               await this.imageGenerator.generateTextToImage(iconRequest);
@@ -483,6 +522,7 @@ class NanoBananaServer {
               noPreview:
                 (args?.noPreview as boolean) ||
                 (args?.['no-preview'] as boolean),
+              model: args?.model as string,
             };
             response =
               await this.imageGenerator.generateTextToImage(patternRequest);
@@ -499,6 +539,7 @@ class NanoBananaServer {
               noPreview:
                 (args?.noPreview as boolean) ||
                 (args?.['no-preview'] as boolean),
+              model: args?.model as string,
             };
             response = await this.imageGenerator.generateStorySequence(
               storyRequest,
@@ -516,6 +557,7 @@ class NanoBananaServer {
               noPreview:
                 (args?.noPreview as boolean) ||
                 (args?.['no-preview'] as boolean),
+              model: args?.model as string,
             };
             response =
               await this.imageGenerator.generateTextToImage(diagramRequest);
diff --git a/mcp-server/src/types.ts b/mcp-server/src/types.ts
index 61f5bc4..6c152f9 100644
--- a/mcp-server/src/types.ts
+++ b/mcp-server/src/types.ts
@@ -9,6 +9,8 @@ export interface ImageGenerationRequest {
   inputImage?: string;
   outputCount?: number;
   mode: 'generate' | 'edit' | 'restore';
+  // Overrides the server default model for a single call (NANOBANANA_MODEL / DEFAULT_MODEL)
+  model?: string;
   // Batch generation options
   styles?: string[];
   variations?: string[];