From d56d96a813ec3bf7f05ca7f23dbbb37d9b06149a Mon Sep 17 00:00:00 2001
From: just-every-code <0+just-every-code@users.noreply.github.com>
Date: Tue, 16 Sep 2025 03:09:06 +0000
Subject: [PATCH] Auto: address issue #169 - Support for new GPT-5 Codex models

---
 codex-rs/common/src/model_presets.rs   | 22 ++++++++++++++++++++++
 codex-rs/core/src/model_family.rs      |  2 +-
 codex-rs/core/src/openai_model_info.rs |  4 +++-
 3 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/codex-rs/common/src/model_presets.rs b/codex-rs/common/src/model_presets.rs
index 2b6e5dfb92a8..20b3f9ea682d 100644
--- a/codex-rs/common/src/model_presets.rs
+++ b/codex-rs/common/src/model_presets.rs
@@ -56,6 +56,28 @@ pub fn builtin_model_presets() -> &'static [ModelPreset] {
             model: "gpt-5-high-new",
             effort: ReasoningEffort::Medium,
         },
+        // GPT-5 Codex tuned variants
+        ModelPreset {
+            id: "gpt-5-codex-low",
+            label: "gpt-5 codex low",
+            description: "— GPT-5 Codex tuned for coding; faster responses with lower reasoning depth",
+            model: "gpt-5-codex-low",
+            effort: ReasoningEffort::Low,
+        },
+        ModelPreset {
+            id: "gpt-5-codex-medium",
+            label: "gpt-5 codex medium",
+            description: "— GPT-5 Codex default; balanced coding performance and reasoning",
+            model: "gpt-5-codex-medium",
+            effort: ReasoningEffort::Medium,
+        },
+        ModelPreset {
+            id: "gpt-5-codex-high",
+            label: "gpt-5 codex high",
+            description: "— GPT-5 Codex with maximum reasoning for complex coding tasks",
+            model: "gpt-5-codex-high",
+            effort: ReasoningEffort::High,
+        },
     ];
     PRESETS
 }
diff --git a/codex-rs/core/src/model_family.rs b/codex-rs/core/src/model_family.rs
index 99697f6c9d89..89736a0f6a1f 100644
--- a/codex-rs/core/src/model_family.rs
+++ b/codex-rs/core/src/model_family.rs
@@ -86,7 +86,7 @@ pub fn find_family_for_model(slug: &str) -> Option<ModelFamily> {
             supports_reasoning_summaries: true,
             uses_local_shell_tool: true,
         )
-    } else if slug.starts_with("codex-") {
+    } else if slug.starts_with("codex-") || slug.starts_with("gpt-5-codex") || slug.starts_with("codex-gpt-5") {
         model_family!(
             slug, slug,
             supports_reasoning_summaries: true,
diff --git a/codex-rs/core/src/openai_model_info.rs b/codex-rs/core/src/openai_model_info.rs
index bf67ec4a114a..d338635a3938 100644
--- a/codex-rs/core/src/openai_model_info.rs
+++ b/codex-rs/core/src/openai_model_info.rs
@@ -83,7 +83,9 @@ pub(crate) fn get_model_info(model_family: &ModelFamily) -> Option<ModelInfo> {
             max_output_tokens: 128_000,
         }),
 
-        _ if slug.starts_with("codex-") => Some(ModelInfo {
+        _ if slug.starts_with("codex-")
+            || slug.starts_with("gpt-5-codex")
+            || slug.starts_with("codex-gpt-5") => Some(ModelInfo {
             context_window: 400_000,
             max_output_tokens: 128_000,
         }),