diff --git a/libs/partners/anthropic/langchain_anthropic/chat_models.py b/libs/partners/anthropic/langchain_anthropic/chat_models.py
index b1052a1f100..11b3bc9f631 100644
--- a/libs/partners/anthropic/langchain_anthropic/chat_models.py
+++ b/libs/partners/anthropic/langchain_anthropic/chat_models.py
@@ -1128,7 +1128,7 @@ class ChatAnthropic(BaseChatModel):
 
                 from langchain_anthropic import ChatAnthropic
 
-                llm = ChatAnthropic(model="claude-3-5-sonnet-latest")
+                llm = ChatAnthropic(model="claude-3-5-haiku-latest")
 
                 tool = {"type": "web_search_20250305", "name": "web_search", "max_uses": 3}
                 llm_with_tools = llm.bind_tools([tool])
diff --git a/libs/partners/anthropic/tests/cassettes/test_web_search.yaml.gz b/libs/partners/anthropic/tests/cassettes/test_web_search.yaml.gz
index 546cdf8c505..6802f280403 100644
Binary files a/libs/partners/anthropic/tests/cassettes/test_web_search.yaml.gz and b/libs/partners/anthropic/tests/cassettes/test_web_search.yaml.gz differ
diff --git a/libs/partners/anthropic/tests/integration_tests/test_chat_models.py b/libs/partners/anthropic/tests/integration_tests/test_chat_models.py
index 73e4be5b40f..cb937155bf4 100644
--- a/libs/partners/anthropic/tests/integration_tests/test_chat_models.py
+++ b/libs/partners/anthropic/tests/integration_tests/test_chat_models.py
@@ -895,13 +895,13 @@ def test_image_tool_calling() -> None:
             ],
         ),
     ]
-    llm = ChatAnthropic(model="claude-3-5-sonnet-latest")  # type: ignore[call-arg]
+    llm = ChatAnthropic(model="claude-3-5-haiku-latest")  # type: ignore[call-arg]
     llm.bind_tools([color_picker]).invoke(messages)
 
 
 @pytest.mark.vcr
 def test_web_search() -> None:
-    llm = ChatAnthropic(model="claude-3-5-sonnet-latest")  # type: ignore[call-arg]
+    llm = ChatAnthropic(model="claude-3-5-haiku-latest")  # type: ignore[call-arg]
 
     tool = {"type": "web_search_20250305", "name": "web_search", "max_uses": 1}
     llm_with_tools = llm.bind_tools([tool])