diff --git a/src/strands/models/anthropic.py b/src/strands/models/anthropic.py
index 48351da19..760776ed5 100644
--- a/src/strands/models/anthropic.py
+++ b/src/strands/models/anthropic.py
@@ -42,6 +42,7 @@ class AnthropicModel(Model):
         "input is too long",
         "input length exceeds context window",
         "input and output tokens exceed your context limit",
+        "input length and `max_tokens` exceed context limit,
     }
 
     class AnthropicConfig(TypedDict, total=False):