diff --git a/packages/opencode/src/plugin/codex.ts b/packages/opencode/src/plugin/codex.ts
index c9afd2a8646..5c0140e5704 100644
--- a/packages/opencode/src/plugin/codex.ts
+++ b/packages/opencode/src/plugin/codex.ts
@@ -362,6 +362,7 @@ export async function CodexAuthPlugin(input: PluginInput): Promise<Hooks> {
           "gpt-5.1-codex-max",
           "gpt-5.1-codex-mini",
           "gpt-5.2",
+          "gpt-5.4",
           "gpt-5.2-codex",
           "gpt-5.3-codex",
           "gpt-5.1-codex",