diff --git a/src/Responses/Images/ImageResponseUsage.php b/src/Responses/Images/ImageResponseUsage.php
index 7e39acde..2ecce788 100644
--- a/src/Responses/Images/ImageResponseUsage.php
+++ b/src/Responses/Images/ImageResponseUsage.php
@@ -19,10 +19,10 @@ private function __construct(
     public static function from(array $attributes): self
     {
         return new self(
-            $attributes['total_tokens'],
-            $attributes['input_tokens'],
-            $attributes['output_tokens'],
-            ImageResponseUsageInputTokensDetails::from($attributes['input_tokens_details']),
+            $attributes['total_tokens'] ?? 0,
+            $attributes['input_tokens'] ?? 0,
+            $attributes['output_tokens'] ?? 0,
+            ImageResponseUsageInputTokensDetails::from($attributes['input_tokens_details'] ?? []),
         );
     }
 
diff --git a/src/Responses/Images/ImageResponseUsageInputTokensDetails.php b/src/Responses/Images/ImageResponseUsageInputTokensDetails.php
index 144857cf..a97e401a 100644
--- a/src/Responses/Images/ImageResponseUsageInputTokensDetails.php
+++ b/src/Responses/Images/ImageResponseUsageInputTokensDetails.php
@@ -17,8 +17,8 @@ private function __construct(
     public static function from(array $attributes): self
     {
         return new self(
-            $attributes['text_tokens'],
-            $attributes['image_tokens'],
+            $attributes['text_tokens'] ?? 0,
+            $attributes['image_tokens'] ?? 0,
         );
     }