diff --git a/core/src/browser/extensions/engines/helpers/sse.ts b/core/src/browser/extensions/engines/helpers/sse.ts
index 2c2ccd96a..ab8d261a5 100644
--- a/core/src/browser/extensions/engines/helpers/sse.ts
+++ b/core/src/browser/extensions/engines/helpers/sse.ts
@@ -38,7 +38,7 @@ export function requestInference(
           const data = await response.json()
           const error = {
             message: data.error?.message ?? 'Error occurred.',
-            code: data.error?.code ?? ErrorCode.Unknown,
+            code: data.error?.code ?? data.error?.type ?? ErrorCode.Unknown,
           }
           subscriber.error(error)
           subscriber.complete()
diff --git a/core/src/types/message/messageEntity.ts b/core/src/types/message/messageEntity.ts
index 5444558aa..f96919a8b 100644
--- a/core/src/types/message/messageEntity.ts
+++ b/core/src/types/message/messageEntity.ts
@@ -85,6 +85,8 @@ export enum ErrorCode {
 
   InsufficientQuota = 'insufficient_quota',
 
+  InvalidRequestError = 'invalid_request_error',
+
   Unknown = 'unknown',
 }
 
diff --git a/web/screens/Chat/ErrorMessage/index.tsx b/web/screens/Chat/ErrorMessage/index.tsx
index 7fe1c36db..60f4a9ada 100644
--- a/web/screens/Chat/ErrorMessage/index.tsx
+++ b/web/screens/Chat/ErrorMessage/index.tsx
@@ -41,6 +41,7 @@ const ErrorMessage = ({ message }: { message: ThreadMessage }) => {
       case ErrorCode.Unknown:
         return 'Apologies, something’s amiss!'
       case ErrorCode.InvalidApiKey:
+      case ErrorCode.InvalidRequestError:
         return (
           <span>
             Invalid API key. Please check your API key from{' '}