diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
index bf56b7f34..45cdd8ec8 100644
--- a/pkg/config/config_test.go
+++ b/pkg/config/config_test.go
@@ -210,8 +210,8 @@ func TestDefaultConfig_WorkspacePath(t *testing.T) {
 func TestDefaultConfig_Model(t *testing.T) {
 	cfg := DefaultConfig()
 
-	if cfg.Agents.Defaults.Model == "" {
-		t.Error("Model should not be empty")
+	if cfg.Agents.Defaults.Model != "" {
+		t.Error("Model should be empty")
 	}
 }
 
@@ -331,8 +331,8 @@ func TestConfig_Complete(t *testing.T) {
 	if cfg.Agents.Defaults.Workspace == "" {
 		t.Error("Workspace should not be empty")
 	}
-	if cfg.Agents.Defaults.Model == "" {
-		t.Error("Model should not be empty")
+	if cfg.Agents.Defaults.Model != "" {
+		t.Error("Model should be empty")
 	}
 	if cfg.Agents.Defaults.Temperature != nil {
 		t.Error("Temperature should be nil when not provided")
diff --git a/pkg/config/defaults.go b/pkg/config/defaults.go
index 6805a8bc4..8e21809ee 100644
--- a/pkg/config/defaults.go
+++ b/pkg/config/defaults.go
@@ -13,8 +13,8 @@ func DefaultConfig() *Config {
 				Workspace:           "~/.picoclaw/workspace",
 				RestrictToWorkspace: true,
 				Provider:            "",
-				Model:               "glm-4.7",
-				MaxTokens:           8192,
+				Model:               "",
+				MaxTokens:           32768,
 				Temperature:         nil, // nil means use provider default
 				MaxToolIterations:   50,
 			},
diff --git a/pkg/migrate/migrate_test.go b/pkg/migrate/migrate_test.go
index b6b3d70aa..9216442bb 100644
--- a/pkg/migrate/migrate_test.go
+++ b/pkg/migrate/migrate_test.go
@@ -296,8 +296,8 @@ func TestConvertConfig(t *testing.T) {
 		if len(warnings) != 0 {
 			t.Errorf("expected no warnings, got %v", warnings)
 		}
-		if cfg.Agents.Defaults.Model != "glm-4.7" {
-			t.Errorf("default model should be glm-4.7, got %q", cfg.Agents.Defaults.Model)
+		if cfg.Agents.Defaults.Model != "" {
+			t.Errorf("default model should be nil, got %q", cfg.Agents.Defaults.Model)
 		}
 	})
 }