diff --git a/app/Helpers/AiTokenHelper.php b/app/Helpers/AiTokenHelper.php
index 11c1350e..de6c20d9 100644
--- a/app/Helpers/AiTokenHelper.php
+++ b/app/Helpers/AiTokenHelper.php
@@ -58,6 +58,41 @@ public static function saveClaudeUsage(array $apiResult, string $model, string $
         }
     }
 
+    /**
+     * Google Cloud Storage 업로드 사용량 저장
+     * GCS Class A 오퍼레이션: $0.005 / 1,000건, Storage: $0.02 / GB / month
+     */
+    public static function saveGcsStorageUsage(string $menuName, int $fileSizeBytes): void
+    {
+        try {
+            $fileSizeMB = $fileSizeBytes / (1024 * 1024);
+            // 업로드 API 호출 비용 ($0.005/1000 operations) + 월 스토리지 비용 ($0.02/GB, 7일 기준)
+            $operationCost = 0.005 / 1000;
+            $storageCost = ($fileSizeMB / 1024) * 0.02 * (7 / 30); // 7일 보관 기준
+            $costUsd = $operationCost + $storageCost;
+
+            self::save('google-cloud-storage', $menuName, $fileSizeBytes, 0, $fileSizeBytes, $costUsd / max($fileSizeBytes, 1), 0);
+        } catch (\Exception $e) {
+            Log::warning('AI token usage save failed (GCS)', ['error' => $e->getMessage()]);
+        }
+    }
+
+    /**
+     * Google Speech-to-Text 사용량 저장
+     * STT latest_long 모델: $0.009 / 15초
+     */
+    public static function saveSttUsage(string $menuName, int $durationSeconds): void
+    {
+        try {
+            // latest_long 모델: $0.009 per 15 seconds = $0.0006 per second
+            $costUsd = ceil($durationSeconds / 15) * 0.009;
+
+            self::save('google-speech-to-text', $menuName, $durationSeconds, 0, $durationSeconds, $costUsd / max($durationSeconds, 1), 0);
+        } catch (\Exception $e) {
+            Log::warning('AI token usage save failed (STT)', ['error' => $e->getMessage()]);
+        }
+    }
+
     /**
      * 공통 저장 로직
      */
diff --git a/app/Services/AiVoiceRecordingService.php b/app/Services/AiVoiceRecordingService.php
index d28fc5bf..bd9339fd 100644
--- a/app/Services/AiVoiceRecordingService.php
+++ b/app/Services/AiVoiceRecordingService.php
@@ -86,17 +86,23 @@ public function processAudio(AiVoiceRecording $recording, string $audioBase64, i
                 now()->format('YmdHis')
             );
 
-            $gcsUri = $this->googleCloudService->uploadBase64Audio($audioBase64, $objectName);
+            $uploadResult = $this->googleCloudService->uploadBase64Audio($audioBase64, $objectName);
 
-            if (! $gcsUri) {
+            if (! $uploadResult) {
                 throw new \Exception('오디오 파일 업로드 실패');
             }
 
+            $gcsUri = $uploadResult['uri'];
+            $fileSize = $uploadResult['size'] ?? 0;
+
             $recording->update([
                 'audio_file_path' => $objectName,
                 'audio_gcs_uri' => $gcsUri,
             ]);
 
+            // GCS 업로드 토큰 사용량 기록
+            AiTokenHelper::saveGcsStorageUsage('AI음성녹음-GCS저장', $fileSize);
+
             // 2. Speech-to-Text 변환
             Log::info('AiVoiceRecording STT 시작', ['recording_id' => $recording->id, 'gcs_uri' => $gcsUri]);
             $transcript = $this->googleCloudService->speechToText($gcsUri);
@@ -106,6 +112,9 @@ public function processAudio(AiVoiceRecording $recording, string $audioBase64, i
                 throw new \Exception('음성 인식 실패: STT 결과가 비어있습니다 (transcript=' . var_export($transcript, true) . ')');
             }
 
+            // STT 토큰 사용량 기록
+            AiTokenHelper::saveSttUsage('AI음성녹음-STT변환', $durationSeconds);
+
             $recording->update(['transcript_text' => $transcript]);
 
             // 3. Gemini AI 분석
@@ -162,18 +171,24 @@ public function processUploadedFile(AiVoiceRecording $recording, UploadedFile $f
                 $extension
             );
 
-            $gcsUri = $this->googleCloudService->uploadToStorage($fullPath, $objectName);
+            $uploadResult = $this->googleCloudService->uploadToStorage($fullPath, $objectName);
 
-            if (! $gcsUri) {
+            if (! $uploadResult) {
                 @unlink($fullPath);
                 throw new \Exception('오디오 파일 업로드 실패');
             }
 
+            $gcsUri = $uploadResult['uri'];
+            $uploadedSize = $uploadResult['size'] ?? $fileSize;
+
             $recording->update([
                 'audio_file_path' => $objectName,
                 'audio_gcs_uri' => $gcsUri,
             ]);
 
+            // GCS 업로드 토큰 사용량 기록
+            AiTokenHelper::saveGcsStorageUsage('AI음성녹음-GCS저장', $uploadedSize);
+
             // 2. Speech-to-Text 변환
             $transcript = $this->googleCloudService->speechToText($gcsUri);
 
@@ -184,6 +199,9 @@ public function processUploadedFile(AiVoiceRecording $recording, UploadedFile $f
                 throw new \Exception('음성 인식 실패');
             }
 
+            // STT 토큰 사용량 기록
+            AiTokenHelper::saveSttUsage('AI음성녹음-STT변환', $estimatedDuration);
+
             $recording->update(['transcript_text' => $transcript]);
 
             // 3. Gemini AI 분석
diff --git a/app/Services/GoogleCloudService.php b/app/Services/GoogleCloudService.php
index 8d8a792f..d570976f 100644
--- a/app/Services/GoogleCloudService.php
+++ b/app/Services/GoogleCloudService.php
@@ -97,8 +97,9 @@ private function getAccessToken(): ?string
 
     /**
      * GCS에 파일 업로드
+     * @return array|null ['uri' => 'gs://...', 'size' => bytes] or null
      */
-    public function uploadToStorage(string $localPath, string $objectName): ?string
+    public function uploadToStorage(string $localPath, string $objectName): ?array
     {
         $token = $this->getAccessToken();
         if (! $token) {
@@ -114,6 +115,7 @@ public function uploadToStorage(string $localPath, string $objectName): ?string
 
         try {
             $fileContent = file_get_contents($localPath);
+            $fileSize = strlen($fileContent);
             $mimeType = mime_content_type($localPath) ?: 'audio/webm';
 
             $uploadUrl = 'https://storage.googleapis.com/upload/storage/v1/b/'.
@@ -126,7 +128,17 @@ public function uploadToStorage(string $localPath, string $objectName): ?string
                 ->post($uploadUrl);
 
             if ($response->successful()) {
-                return 'gs://'.$bucket.'/'.$objectName;
+                $result = $response->json();
+                Log::info('Google Cloud: Storage 업로드 성공', [
+                    'object' => $objectName,
+                    'size' => $result['size'] ?? $fileSize,
+                    'bucket' => $bucket,
+                ]);
+
+                return [
+                    'uri' => 'gs://'.$bucket.'/'.$objectName,
+                    'size' => (int) ($result['size'] ?? $fileSize),
+                ];
             }
 
             Log::error('Google Cloud: Storage 업로드 실패', ['response' => $response->body()]);
@@ -141,8 +153,9 @@ public function uploadToStorage(string $localPath, string $objectName): ?string
 
     /**
      * Base64 오디오를 GCS에 업로드
+     * @return array|null ['uri' => 'gs://...', 'size' => bytes] or null
      */
-    public function uploadBase64Audio(string $base64Audio, string $objectName): ?string
+    public function uploadBase64Audio(string $base64Audio, string $objectName): ?array
     {
         // Base64 데이터 파싱
         $audioData = $base64Audio;
@@ -161,12 +174,12 @@ public function uploadBase64Audio(string $base64Audio, string $objectName): ?str
         file_put_contents($tempPath, base64_decode($audioData));
 
         // GCS 업로드
-        $gcsUri = $this->uploadToStorage($tempPath, $objectName);
+        $result = $this->uploadToStorage($tempPath, $objectName);
 
         // 임시 파일 삭제
         @unlink($tempPath);
 
-        return $gcsUri;
+        return $result;
     }
 
     /**
diff --git a/app/Services/MeetingLogService.php b/app/Services/MeetingLogService.php
index 780ee80e..ee2131f2 100644
--- a/app/Services/MeetingLogService.php
+++ b/app/Services/MeetingLogService.php
@@ -89,12 +89,14 @@ public function processAudio(MeetingLog $meeting, string $audioBase64, int $dura
                 now()->format('YmdHis')
             );
 
-            $gcsUri = $this->googleCloudService->uploadBase64Audio($audioBase64, $objectName);
+            $uploadResult = $this->googleCloudService->uploadBase64Audio($audioBase64, $objectName);
 
-            if (! $gcsUri) {
+            if (! $uploadResult) {
                 throw new \Exception('오디오 파일 업로드 실패');
             }
 
+            $gcsUri = $uploadResult['uri'];
+
             $meeting->update([
                 'audio_file_path' => $objectName,
                 'audio_gcs_uri' => $gcsUri,
@@ -311,13 +313,15 @@ public function processUploadedFile(MeetingLog $meeting, \Illuminate\Http\Upload
                 $extension
             );
 
-            $gcsUri = $this->googleCloudService->uploadToStorage($fullPath, $objectName);
+            $uploadResult = $this->googleCloudService->uploadToStorage($fullPath, $objectName);
 
-            if (! $gcsUri) {
+            if (! $uploadResult) {
                 @unlink($fullPath);
                 throw new \Exception('오디오 파일 업로드 실패');
             }
 
+            $gcsUri = $uploadResult['uri'];
+
             $meeting->update([
                 'audio_file_path' => $objectName,
                 'audio_gcs_uri' => $gcsUri,