diff --git a/packages/core/src/core/loggingContentGenerator.ts b/packages/core/src/core/loggingContentGenerator.ts
index 82e6dd1104..916750b3cf 100644
--- a/packages/core/src/core/loggingContentGenerator.ts
+++ b/packages/core/src/core/loggingContentGenerator.ts
@@ -81,6 +81,7 @@ export class LoggingContentGenerator implements ContentGenerator {
   private _logApiError(
     durationMs: number,
     error: unknown,
+    model: string,
     prompt_id: string,
   ): void {
     const errorMessage = error instanceof Error ? error.message : String(error);
@@ -89,7 +90,7 @@ export class LoggingContentGenerator implements ContentGenerator {
     logApiError(
       this.config,
       new ApiErrorEvent(
-        this.config.getModel(),
+        model,
         errorMessage,
         durationMs,
         prompt_id,
@@ -121,7 +122,7 @@ export class LoggingContentGenerator implements ContentGenerator {
       return response;
     } catch (error) {
       const durationMs = Date.now() - startTime;
-      this._logApiError(durationMs, error, userPromptId);
+      this._logApiError(durationMs, error, req.model, userPromptId);
       throw error;
     }
   }
@@ -138,7 +139,7 @@ export class LoggingContentGenerator implements ContentGenerator {
       stream = await this.wrapped.generateContentStream(req, userPromptId);
     } catch (error) {
       const durationMs = Date.now() - startTime;
-      this._logApiError(durationMs, error, userPromptId);
+      this._logApiError(durationMs, error, req.model, userPromptId);
       throw error;
     }
 
@@ -165,15 +166,20 @@ export class LoggingContentGenerator implements ContentGenerator {
       }
     } catch (error) {
       const durationMs = Date.now() - startTime;
-      this._logApiError(durationMs, error, userPromptId);
+      this._logApiError(
+        durationMs,
+        error,
+        responses[0]?.modelVersion || '',
+        userPromptId,
+      );
       throw error;
     }
     const durationMs = Date.now() - startTime;
     if (lastResponse) {
       this._logApiResponse(
         durationMs,
-        userPromptId,
         responses[0]?.modelVersion || '',
+        userPromptId,
         lastUsageMetadata,
         JSON.stringify(responses),
       );