From 8d56d2f655fd1d45d53a7c66a01f3e063dcf0069 Mon Sep 17 00:00:00 2001
From: jif-oai <jif@openai.com>
Date: Fri, 12 Sep 2025 14:17:49 -0700
Subject: [PATCH] fix: NIT None reasoning effort (#3536)

Fix the reasoning effort not being set to None in the UI
---
 codex-rs/core/src/config.rs | 2 +-
 codex-rs/tui/src/lib.rs     | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/codex-rs/core/src/config.rs b/codex-rs/core/src/config.rs
index 8be93f76..48624ffc 100644
--- a/codex-rs/core/src/config.rs
+++ b/codex-rs/core/src/config.rs
@@ -32,7 +32,7 @@ use toml::Value as TomlValue;
 use toml_edit::DocumentMut;
 
 const OPENAI_DEFAULT_MODEL: &str = "gpt-5";
-pub const GPT5_HIGH_MODEL: &str = "gpt-5-high";
+pub const GPT5_HIGH_MODEL: &str = "gpt-5-high-new";
 
 /// Maximum number of bytes of the documentation that will be embedded. Larger
 /// files are *silently truncated* to this size so we do not take up too much of
diff --git a/codex-rs/tui/src/lib.rs b/codex-rs/tui/src/lib.rs
index 7ce17528..41e36a9c 100644
--- a/codex-rs/tui/src/lib.rs
+++ b/codex-rs/tui/src/lib.rs
@@ -380,11 +380,12 @@ async fn run_ratatui_app(
 
         if switch_to_new_model {
             config.model = GPT5_HIGH_MODEL.to_owned();
+            config.model_reasoning_effort = None;
             if let Err(e) = persist_model_selection(
                 &config.codex_home,
                 active_profile.as_deref(),
                 &config.model,
-                None,
+                config.model_reasoning_effort,
             )
             .await
             {