diff --git a/libs/aws/langchain_aws/chat_models/bedrock.py b/libs/aws/langchain_aws/chat_models/bedrock.py
index 186b2b7b..43649a73 100644
--- a/libs/aws/langchain_aws/chat_models/bedrock.py
+++ b/libs/aws/langchain_aws/chat_models/bedrock.py
@@ -1231,7 +1231,12 @@ def bind_tools(
             base_model = self._get_base_model()
             if any(
                 x in base_model
-                for x in ("claude-3-7-", "claude-opus-4-", "claude-sonnet-4-")
+                for x in (
+                    "claude-3-7-",
+                    "claude-opus-4-",
+                    "claude-sonnet-4-",
+                    "claude-haiku-4-",
+                )
             ) and thinking_in_params(self.model_kwargs or {}):
                 forced = False
                 if isinstance(tool_choice, bool):
diff --git a/libs/aws/langchain_aws/chat_models/bedrock_converse.py b/libs/aws/langchain_aws/chat_models/bedrock_converse.py
index 6b461647..3167993f 100644
--- a/libs/aws/langchain_aws/chat_models/bedrock_converse.py
+++ b/libs/aws/langchain_aws/chat_models/bedrock_converse.py
@@ -759,6 +759,7 @@ def validate_environment(self) -> Self:
                     "claude-3-7-sonnet",
                     "claude-sonnet-4",
                     "claude-opus-4",
+                    "claude-haiku-4",
                 )
                 thinking_params = (self.additional_model_request_fields or {}).get(
                     "thinking", {}
@@ -977,9 +978,15 @@ def _get_llm_for_structured_output_no_tool_choice(
             "langchain_core.exceptions.OutputParserException if tool calls are not "
             "generated. Consider adjusting your prompt to ensure the tool is called."
         )
-        if "claude-3-7-sonnet" in self._get_base_model():
+        thinking_claude_models = (
+            "claude-3-7-sonnet",
+            "claude-sonnet-4",
+            "claude-opus-4",
+            "claude-haiku-4",
+        )
+        if any(model in self._get_base_model() for model in thinking_claude_models):
             additional_context = (
-                "For Claude 3.7 Sonnet models, you can also support forced tool use "
+                "For Claude 3/4 models, you can also support forced tool use "
                 "by disabling `thinking`."
             )
             admonition = f"{admonition} {additional_context}"
@@ -1066,6 +1073,7 @@ def with_structured_output(
             "claude-3-7-sonnet",
             "claude-sonnet-4",
             "claude-opus-4",
+            "claude-haiku-4",
         )
         if tool_choice is None and any(
             model in self._get_base_model() for model in thinking_claude_models
diff --git a/libs/aws/langchain_aws/utils.py b/libs/aws/langchain_aws/utils.py
index c44534b2..355cac58 100644
--- a/libs/aws/langchain_aws/utils.py
+++ b/libs/aws/langchain_aws/utils.py
@@ -96,7 +96,13 @@ def anthropic_tokens_supported() -> bool:
 def count_tokens_api_supported_for_model(model: str) -> bool:
     return any(
         x in model
-        for x in ("claude-3-5-", "claude-3-7-", "claude-opus-4-", "claude-sonnet-4-")
+        for x in (
+            "claude-3-5-",
+            "claude-3-7-",
+            "claude-opus-4-",
+            "claude-sonnet-4-",
+            "claude-haiku-4-",
+        )
     )
 
 
diff --git a/libs/aws/tests/integration_tests/chat_models/test_bedrock_converse.py b/libs/aws/tests/integration_tests/chat_models/test_bedrock_converse.py
index cefc0432..7cc6b416 100644
--- a/libs/aws/tests/integration_tests/chat_models/test_bedrock_converse.py
+++ b/libs/aws/tests/integration_tests/chat_models/test_bedrock_converse.py
@@ -431,6 +431,10 @@ def test_guardrails() -> None:
         "us.anthropic.claude-3-7-sonnet-20250219-v1:0",
         "us.anthropic.claude-sonnet-4-20250514-v1:0",
         "us.anthropic.claude-opus-4-20250514-v1:0",
+        "us.anthropic.claude-opus-4-1-20250805-v1:0",
+        "us.anthropic.claude-sonnet-4-5-20250929-v1:0",
+        #
+        # "us.anthropic.claude-haiku-4-5-20251001-v1:0",
     ],
 )
 def test_structured_output_tool_choice_not_supported(thinking_model: str) -> None:
diff --git a/libs/aws/tests/unit_tests/chat_models/test_bedrock_converse.py b/libs/aws/tests/unit_tests/chat_models/test_bedrock_converse.py
index 422434f9..bc678195 100644
--- a/libs/aws/tests/unit_tests/chat_models/test_bedrock_converse.py
+++ b/libs/aws/tests/unit_tests/chat_models/test_bedrock_converse.py
@@ -120,6 +120,7 @@ def test_anthropic_bind_tools_tool_choice() -> None:
         "anthropic.claude-3-7-sonnet-20250219-v1:0",
         "anthropic.claude-sonnet-4-20250514-v1:0",
         "anthropic.claude-opus-4-20250514-v1:0",
+        "anthropic.claude-haiku-4-5-20251001-v1:0",
     ],
 )
 def test_anthropic_thinking_bind_tools_tool_choice(thinking_model: str) -> None:
diff --git a/libs/aws/tests/unit_tests/test_utils.py b/libs/aws/tests/unit_tests/test_utils.py
index 4206ea63..6fa6054b 100644
--- a/libs/aws/tests/unit_tests/test_utils.py
+++ b/libs/aws/tests/unit_tests/test_utils.py
@@ -435,6 +435,7 @@ def test_trim_message_whitespace_with_empty_messages() -> None:
 @pytest.mark.parametrize(
     "model_id,expected_result",
     [
+        ("us.anthropic.claude-haiku-4-5-20251001-v1:0", True),
         ("us.anthropic.claude-opus-4-20250514-v1:0", True),
         ("us.anthropic.claude-sonnet-4-20250514-v1:0", True),
         ("us.anthropic.claude-3-7-sonnet-20250219-v1:0", True),