diff --git a/src/game_sdk/game/agent.py b/src/game_sdk/game/agent.py
index ab6d5013..5b1bd84b 100644
--- a/src/game_sdk/game/agent.py
+++ b/src/game_sdk/game/agent.py
@@ -105,7 +105,7 @@ def __init__(self,
                  agent_description: str,
                  get_agent_state_fn: Callable,
                  workers: Optional[List[WorkerConfig]] = None,
-                 model_name: str = "Llama-3.1-405B-Instruct",
+                 model_name: str = "Llama-3.3-70B-Instruct",
                  ):
 
         if api_key.startswith("apt-"):
diff --git a/src/game_sdk/game/worker.py b/src/game_sdk/game/worker.py
index 056ea954..1aa13ce2 100644
--- a/src/game_sdk/game/worker.py
+++ b/src/game_sdk/game/worker.py
@@ -49,7 +49,7 @@ def __init__(
         action_space: List[Function],
         # specific additional instruction for the worker (PROMPT)
         instruction: Optional[str] = "",
-        model_name: str = "Llama-3.1-405B-Instruct",
+        model_name: str = "Llama-3.3-70B-Instruct",
     ):
 
         if api_key.startswith("apt-"):