diff --git a/README b/README
index 2719057..3340e3e 100644
--- a/README
+++ b/README
@@ -19,6 +19,7 @@ The following models are included in the benchmark run.
 <!-- MODELS_START -->
 google/gemini-2.5-pro
 anthropic/claude-sonnet-4.5
+openai/gpt-5-codex
 <!-- MODELS_END -->
 
 ## Benchmark Results