diff --git a/README b/README
index 73b553f..b6f3465 100644
--- a/README
+++ b/README
@@ -9,6 +9,7 @@ SHARED_PROMPT: "Provide production-ready and maintainable JavaScript code. Apply
 The following models are included in the benchmark run.
 
 <!-- MODELS_START -->
+openai/gpt-5.3-codex
 google/gemini-3.1-pro-preview
 anthropic/claude-sonnet-4.6
 minimax/minimax-m2.5