diff --git a/frontend/src/services/settings.ts b/frontend/src/services/settings.ts
index e5997c6f4d2..d8b3ee4af06 100644
--- a/frontend/src/services/settings.ts
+++ b/frontend/src/services/settings.ts
@@ -7,7 +7,7 @@ export type Settings = {
 
 export const DEFAULT_SETTINGS: Settings = {
   LLM_MODEL: "gpt-3.5-turbo",
-  AGENT: "MonologueAgent",
+  AGENT: "CodeActAgent",
   LANGUAGE: "en",
   LLM_API_KEY: "",
 };
diff --git a/opendevin/core/config.py b/opendevin/core/config.py
index 90b58bc5d78..819fcdee074 100644
--- a/opendevin/core/config.py
+++ b/opendevin/core/config.py
@@ -46,7 +46,7 @@
     # we cannot easily count number of tokens, but we can count characters.
     # Assuming 5 characters per token, 5 million is a reasonable default limit.
     ConfigType.MAX_CHARS: 5_000_000,
-    ConfigType.AGENT: 'MonologueAgent',
+    ConfigType.AGENT: 'CodeActAgent',
     ConfigType.E2B_API_KEY: '',
     ConfigType.SANDBOX_TYPE: 'ssh',  # Can be 'ssh', 'exec', or 'e2b'
     ConfigType.USE_HOST_NETWORK: 'false',