diff --git a/src/utils/auth.ts b/src/utils/auth.ts
index 27098c09..c13a3e84 100644
--- a/src/utils/auth.ts
+++ b/src/utils/auth.ts
@@ -274,6 +274,7 @@ export function getAnthropicApiKeyWithSource(
     }
 
     if (
+      !isUsing3PServices() &&
       !apiKeyEnv &&
       !process.env.CLAUDE_CODE_OAUTH_TOKEN &&
       !process.env.CLAUDE_CODE_OAUTH_TOKEN_FILE_DESCRIPTOR
@@ -1729,13 +1730,14 @@ export function getSubscriptionName(): string {
   }
 }
 
-/** Check if using third-party services (Bedrock or Vertex or Foundry or OpenAI-compatible) */
+/** Check if using third-party services (Bedrock or Vertex or Foundry or OpenAI-compatible or Gemini) */
 export function isUsing3PServices(): boolean {
   return !!(
     isEnvTruthy(process.env.CLAUDE_CODE_USE_BEDROCK) ||
     isEnvTruthy(process.env.CLAUDE_CODE_USE_VERTEX) ||
     isEnvTruthy(process.env.CLAUDE_CODE_USE_FOUNDRY) ||
-    isEnvTruthy(process.env.CLAUDE_CODE_USE_OPENAI)
+    isEnvTruthy(process.env.CLAUDE_CODE_USE_OPENAI) ||
+    isEnvTruthy(process.env.CLAUDE_CODE_USE_GEMINI)
   )
 }