diff --git a/README b/README
index 1813817..50fe708 100644
--- a/README
+++ b/README
@@ -9,7 +9,7 @@ SHARED_PROMPT: "Provide production-ready and maintainable JavaScript code. Apply
 The following models are included in the benchmark run.
 
 <!-- MODELS_START -->
-anthropic/claude-opus-4.7
+anthropic/claude-opus-4.7 EFF:medium
 z-ai/glm-5.1
 x-ai/grok-4.20-beta
 openai/gpt-5.4