diff --git a/dist/index.js b/dist/index.js
--- a/dist/index.js
+++ b/dist/index.js
@@ -571,6 +571,17 @@
         type: "reasoning",
         text: reasoning
       });
+    }
+    if (choice.message.images) {
+      for (const image of choice.message.images) {
+        const match1 = image.image_url.url.match(/^data:([^;]+)/);
+        const match2 = image.image_url.url.match(/^data:[^;]*;base64,(.+)$/);
+        content.push({
+          type: 'file',
+          mediaType: match1 ? (match1[1] ?? 'image/jpeg') : 'image/jpeg',
+          data: match2 ? match2[1] : image.image_url.url,
+        });
+      }
     }
     if (choice.message.tool_calls != null) {
       for (const toolCall of choice.message.tool_calls) {
@@ -732,6 +743,17 @@
                 delta: delta.content
               });
             }
+            if (delta.images) {
+              for (const image of delta.images) {
+                const match1 = image.image_url.url.match(/^data:([^;]+)/);
+                const match2 = image.image_url.url.match(/^data:[^;]*;base64,(.+)$/);
+                controller.enqueue({
+                  type: 'file',
+                  mediaType: match1 ? (match1[1] ?? 'image/jpeg') : 'image/jpeg',
+                  data: match2 ? match2[1] : image.image_url.url,
+                });
+              }
+            }
             if (delta.tool_calls != null) {
               if (isActiveReasoning) {
                 controller.enqueue({
@@ -927,6 +949,14 @@
                 thought_signature: import_v43.z.string().nullish()
               }).nullish()
             }).nullish()
+          })
+        ).nullish(),
+        images: import_v43.z.array(
+          import_v43.z.object({
+            type: import_v43.z.literal('image_url'),
+            image_url: import_v43.z.object({
+              url: import_v43.z.string(),
+            })
           })
         ).nullish()
       }),
@@ -963,6 +993,14 @@
                 thought_signature: import_v43.z.string().nullish()
               }).nullish()
             }).nullish()
+          })
+        ).nullish(),
+        images: import_v43.z.array(
+          import_v43.z.object({
+            type: import_v43.z.literal('image_url'),
+            image_url: import_v43.z.object({
+              url: import_v43.z.string(),
+            })
           })
         ).nullish()
       }).nullish(),
@@ -1529,6 +1567,16 @@
 // src/image/openai-compatible-image-model.ts
 var import_provider_utils5 = require("@ai-sdk/provider-utils");
 var import_v48 = require("zod/v4");
+var defaultResponseFormatPrefixes = [
+  "chatgpt-image-",
+  "gpt-image-1-mini",
+  "gpt-image-1.5",
+  "gpt-image-1",
+  "gpt-image-2"
+];
+function hasDefaultResponseFormat(modelId) {
+  return defaultResponseFormatPrefixes.some((prefix) => modelId.startsWith(prefix));
+}
 var OpenAICompatibleImageModel = class {
   constructor(modelId, config) {
     this.modelId = modelId;
@@ -1604,7 +1652,11 @@
         fetch: this.config.fetch
       });
       return {
-        images: response2.data.map((item) => item.b64_json),
+        images: response2.data.flatMap((item) => {
+          if (typeof item.b64_json === 'string') return [item.b64_json];
+          if (typeof item.url === 'string') return [item.url];
+          return [];
+        }),
         warnings,
         response: {
           timestamp: currentDate,
@@ -1625,7 +1677,7 @@
         n,
         size,
         ...args,
-        response_format: "b64_json"
+        ...(!hasDefaultResponseFormat(this.modelId) ? { response_format: "b64_json" } : {})
       },
       failedResponseHandler: (0, import_provider_utils5.createJsonErrorResponseHandler)(
         (_e = this.config.errorStructure) != null ? _e : defaultOpenAICompatibleErrorStructure
@@ -1637,7 +1693,11 @@
       fetch: this.config.fetch
     });
     return {
-      images: response.data.map((item) => item.b64_json),
+      images: response.data.flatMap((item) => {
+        if (typeof item.b64_json === 'string') return [item.b64_json];
+        if (typeof item.url === 'string') return [item.url];
+        return [];
+      }),
       warnings,
       response: {
         timestamp: currentDate,
@@ -1648,7 +1708,7 @@
   }
 };
 var openaiCompatibleImageResponseSchema = import_v48.z.object({
-  data: import_v48.z.array(import_v48.z.object({ b64_json: import_v48.z.string() }))
+  data: import_v48.z.array(import_v48.z.object({ b64_json: import_v48.z.string().nullish(), url: import_v48.z.string().nullish() }))
 });
 async function fileToBlob(file) {
   if (file.type === "url") {
diff --git a/dist/index.mjs b/dist/index.mjs
--- a/dist/index.mjs
+++ b/dist/index.mjs
@@ -558,6 +558,17 @@
         type: "reasoning",
         text: reasoning
       });
+    }
+    if (choice.message.images) {
+      for (const image of choice.message.images) {
+        const match1 = image.image_url.url.match(/^data:([^;]+)/);
+        const match2 = image.image_url.url.match(/^data:[^;]*;base64,(.+)$/);
+        content.push({
+          type: 'file',
+          mediaType: match1 ? (match1[1] ?? 'image/jpeg') : 'image/jpeg',
+          data: match2 ? match2[1] : image.image_url.url,
+        });
+      }
     }
     if (choice.message.tool_calls != null) {
       for (const toolCall of choice.message.tool_calls) {
@@ -719,6 +730,17 @@
                 delta: delta.content
               });
             }
+            if (delta.images) {
+              for (const image of delta.images) {
+                const match1 = image.image_url.url.match(/^data:([^;]+)/);
+                const match2 = image.image_url.url.match(/^data:[^;]*;base64,(.+)$/);
+                controller.enqueue({
+                  type: 'file',
+                  mediaType: match1 ? (match1[1] ?? 'image/jpeg') : 'image/jpeg',
+                  data: match2 ? match2[1] : image.image_url.url,
+                });
+              }
+            }
             if (delta.tool_calls != null) {
               if (isActiveReasoning) {
                 controller.enqueue({
@@ -914,6 +936,14 @@
                 thought_signature: z3.string().nullish()
               }).nullish()
             }).nullish()
+          })
+        ).nullish(),
+        images: z3.array(
+          z3.object({
+            type: z3.literal('image_url'),
+            image_url: z3.object({
+              url: z3.string(),
+            })
           })
         ).nullish()
       }),
@@ -950,6 +980,14 @@
                 thought_signature: z3.string().nullish()
               }).nullish()
             }).nullish()
+          })
+        ).nullish(),
+        images: z3.array(
+          z3.object({
+            type: z3.literal('image_url'),
+            image_url: z3.object({
+              url: z3.string(),
+            })
           })
         ).nullish()
       }).nullish(),
@@ -1543,6 +1581,16 @@
   postJsonToApi as postJsonToApi4
 } from "@ai-sdk/provider-utils";
 import { z as z8 } from "zod/v4";
+var defaultResponseFormatPrefixes = [
+  "chatgpt-image-",
+  "gpt-image-1-mini",
+  "gpt-image-1.5",
+  "gpt-image-1",
+  "gpt-image-2"
+];
+function hasDefaultResponseFormat(modelId) {
+  return defaultResponseFormatPrefixes.some((prefix) => modelId.startsWith(prefix));
+}
 var OpenAICompatibleImageModel = class {
   constructor(modelId, config) {
     this.modelId = modelId;
@@ -1618,7 +1666,11 @@
         fetch: this.config.fetch
       });
       return {
-        images: response2.data.map((item) => item.b64_json),
+        images: response2.data.flatMap((item) => {
+          if (typeof item.b64_json === 'string') return [item.b64_json];
+          if (typeof item.url === 'string') return [item.url];
+          return [];
+        }),
         warnings,
         response: {
           timestamp: currentDate,
@@ -1639,7 +1691,7 @@
         n,
         size,
         ...args,
-        response_format: "b64_json"
+        ...(!hasDefaultResponseFormat(this.modelId) ? { response_format: "b64_json" } : {})
       },
       failedResponseHandler: createJsonErrorResponseHandler4(
         (_e = this.config.errorStructure) != null ? _e : defaultOpenAICompatibleErrorStructure
@@ -1651,7 +1707,11 @@
       fetch: this.config.fetch
     });
     return {
-      images: response.data.map((item) => item.b64_json),
+      images: response.data.flatMap((item) => {
+        if (typeof item.b64_json === 'string') return [item.b64_json];
+        if (typeof item.url === 'string') return [item.url];
+        return [];
+      }),
       warnings,
       response: {
         timestamp: currentDate,
@@ -1662,7 +1722,7 @@
   }
 };
 var openaiCompatibleImageResponseSchema = z8.object({
-  data: z8.array(z8.object({ b64_json: z8.string() }))
+  data: z8.array(z8.object({ b64_json: z8.string().nullish(), url: z8.string().nullish() }))
 });
 async function fileToBlob(file) {
   if (file.type === "url") {