diff --git a/README.md b/README.md
index 44c1e67..6b92ec7 100644
--- a/README.md
+++ b/README.md
@@ -399,7 +399,7 @@ For example: If you would like to run with a "Headful" browser, you can set the
 
   ```json
   {
-    "mistral-large-agente": {
+    "mistral-large": {
       "planner_agent": {
         "model_name": "mistral",
         "model_api_key": "",
diff --git a/agents_llm_config-example.json b/agents_llm_config-example.json
index 742c7c4..7a84725 100644
--- a/agents_llm_config-example.json
+++ b/agents_llm_config-example.json
@@ -1,5 +1,5 @@
 {
-	"mistral-large-agente": {
+	"mistral-large": {
 		"planner_agent": {
 			"model_name": "mistral",
 			"model_api_key": "",
diff --git a/testzeus_hercules/__main__.py b/testzeus_hercules/__main__.py
index b851244..ffe0801 100644
--- a/testzeus_hercules/__main__.py
+++ b/testzeus_hercules/__main__.py
@@ -74,7 +74,9 @@ def sequential_process() -> None:
         asyncio.run(runner.start())
 
         runner_result = {}
-        cost_metrics = runner.result.cost or {}
+        cost_metrics = {}
+        if runner.result and runner.result.cost:
+            cost_metrics = runner.result.cost
         execution_time = runner.execution_time
         if runner.result and runner.result.chat_history:
             s_rr = runner.result.chat_history[-1]["content"]
diff --git a/testzeus_hercules/core/runner.py b/testzeus_hercules/core/runner.py
index 3a8e3c4..d3145f2 100644
--- a/testzeus_hercules/core/runner.py
+++ b/testzeus_hercules/core/runner.py
@@ -102,9 +102,10 @@ async def process_command(self, command: str) -> tuple[Any, float]:
                 await self.browser_manager.update_processing_state("done")  # type: ignore
             end_time = time.time()
             elapsed_time = round(end_time - start_time, 2)
-            logger.info(f'Command "{command}" took: {elapsed_time} seconds. and total cost metric is {result.cost}')  # type: ignore
+
             await self.save_planner_chat_messages()
             if result is not None:
+                logger.info(f'Command "{command}" took: {elapsed_time} seconds. and total cost metric is {result.cost}')  # type: ignore
                 chat_history = result.chat_history  # type: ignore
                 last_message = chat_history[-1] if chat_history else None  # type: ignore
                 if (