diff --git a/src/Cli/src/CommonOptions.cs b/src/Cli/src/CommonOptions.cs
index 98486b62..1ad120c7 100644
--- a/src/Cli/src/CommonOptions.cs
+++ b/src/Cli/src/CommonOptions.cs
@@ -32,7 +32,7 @@ internal static class CommonOptions
     public static Option<string> Model => new("--model")
     {
         Description = "Model to use for commands.",
-        DefaultValueFactory = _ => "o3-mini",
+        DefaultValueFactory = _ => "gpt-5.6-sol",
     };
 
     public static Option<Provider> Provider => new("--provider")
diff --git a/src/Cli/src/Helpers.cs b/src/Cli/src/Helpers.cs
index 7da70052..cd3e9d5f 100644
--- a/src/Cli/src/Helpers.cs
+++ b/src/Cli/src/Helpers.cs
@@ -57,10 +57,11 @@ public static IChatClient GetChatModel(
         var endpoint = GetEndpoint(provider);
         model = model switch
         {
-            null => "o4-mini",
-            "free" or "free-fast" => "google/gemini-2.0-flash-exp:free",
-            "free-smart" => "deepseek/deepseek-r1:free",
-            "latest-fast" => "o4-mini",
+            null => "gpt-5.6-terra",
+            // Free OpenRouter models that support the structured outputs the formats rely on
+            "free" or "free-fast" => "nvidia/nemotron-3-super-120b-a12b:free",
+            "free-smart" => "nvidia/nemotron-3.5-super-vl:free",
+            "latest-fast" => "gpt-5.6-terra",
             "latest-smart" => "o3",
             _ => model,
         };