diff --git a/src/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModel.php b/src/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModel.php
index a630746b..b0d74525 100644
--- a/src/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModel.php
+++ b/src/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModel.php
@@ -347,7 +347,7 @@ protected function getMessagePartContentData(MessagePart $part): ?array
                 return [
                     'type' => 'image_url',
                     'image_url' => [
-                        'url' => $file->getBase64Data(),
+                        'url' => $file->getDataUri(),
                     ],
                 ];
             }
diff --git a/tests/unit/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModelTest.php b/tests/unit/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModelTest.php
index c1e8c02f..9079ae3c 100644
--- a/tests/unit/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModelTest.php
+++ b/tests/unit/Providers/OpenAiCompatibleImplementation/AbstractOpenAiCompatibleTextGenerationModelTest.php
@@ -642,7 +642,7 @@ public function testGetMessagePartContentDataInlineImageFile(): void
             [
                 'type' => 'image_url',
                 'image_url' => [
-                    'url' => $base64Image
+                    'url' => 'data:image/png;base64,' . $base64Image
                 ]
             ],
             $data