diff --git a/codex-rs/core/src/features.rs b/codex-rs/core/src/features.rs
index 7defc571ff..362126b2e4 100644
--- a/codex-rs/core/src/features.rs
+++ b/codex-rs/core/src/features.rs
@@ -686,8 +686,8 @@ pub const FEATURES: &[FeatureSpec] = &[
     FeatureSpec {
         id: Feature::DefaultModeRequestUserInput,
         key: "default_mode_request_user_input",
-        stage: Stage::UnderDevelopment,
-        default_enabled: false,
+        stage: Stage::Stable,
+        default_enabled: true,
     },
     FeatureSpec {
         id: Feature::CollaborationModes,
diff --git a/codex-rs/core/src/tools/spec.rs b/codex-rs/core/src/tools/spec.rs
index f0c952e078..47250100cb 100644
--- a/codex-rs/core/src/tools/spec.rs
+++ b/codex-rs/core/src/tools/spec.rs
@@ -2262,7 +2262,9 @@ mod tests {
             create_exec_command_tool(true, false),
             create_write_stdin_tool(),
             PLAN_TOOL.clone(),
-            create_request_user_input_tool(CollaborationModesConfig::default()),
+            create_request_user_input_tool(CollaborationModesConfig {
+                default_mode_request_user_input: true,
+            }),
             create_apply_patch_freeform_tool(),
             ToolSpec::WebSearch {
                 external_web_access: Some(true),
@@ -2381,10 +2383,12 @@ mod tests {
         let request_user_input_tool = find_tool(&tools, "request_user_input");
         assert_eq!(
             request_user_input_tool.spec,
-            create_request_user_input_tool(CollaborationModesConfig::default())
+            create_request_user_input_tool(CollaborationModesConfig {
+                default_mode_request_user_input: true,
+            })
         );
 
-        features.enable(Feature::DefaultModeRequestUserInput);
+        features.disable(Feature::DefaultModeRequestUserInput);
         let tools_config = ToolsConfig::new(&ToolsConfigParams {
             model_info: &model_info,
             features: &features,
@@ -2395,9 +2399,7 @@ mod tests {
         let request_user_input_tool = find_tool(&tools, "request_user_input");
         assert_eq!(
             request_user_input_tool.spec,
-            create_request_user_input_tool(CollaborationModesConfig {
-                default_mode_request_user_input: true,
-            })
+            create_request_user_input_tool(CollaborationModesConfig::default())
         );
     }