diff --git a/.changeset/rich-spiders-develop.md b/.changeset/rich-spiders-develop.md
new file mode 100644
index 0000000000..9e3ba75849
--- /dev/null
+++ b/.changeset/rich-spiders-develop.md
@@ -0,0 +1,5 @@
+---
+"livekit-plugins-google": patch
+---
+
+chore: Replace ValueError with logger.warning for missing GOOGLE_APPLICATION_CREDENTIALS environment variable
diff --git a/livekit-plugins/livekit-plugins-google/livekit/plugins/google/llm.py b/livekit-plugins/livekit-plugins-google/livekit/plugins/google/llm.py
index 649f55f2dd..51c0b85f53 100644
--- a/livekit-plugins/livekit-plugins-google/livekit/plugins/google/llm.py
+++ b/livekit-plugins/livekit-plugins-google/livekit/plugins/google/llm.py
@@ -108,8 +108,8 @@ def __init__(
         self._api_key = api_key or os.environ.get("GOOGLE_API_KEY", None)
         _gac = os.environ.get("GOOGLE_APPLICATION_CREDENTIALS")
         if _gac is None:
-            raise ValueError(
-                "`GOOGLE_APPLICATION_CREDENTIALS` environment variable is not set. please set it to the path of the service account key file."
+            logger.warning(
+                "`GOOGLE_APPLICATION_CREDENTIALS` environment variable is not set. please set it to the path of the service account key file. Otherwise, use any of the other Google Cloud auth methods."
             )
 
         if vertexai: