diff --git a/libs/core/langchain_core/messages/__init__.py b/libs/core/langchain_core/messages/__init__.py
index 183aff7fae7..97171f56b16 100644
--- a/libs/core/langchain_core/messages/__init__.py
+++ b/libs/core/langchain_core/messages/__init__.py
@@ -9,6 +9,9 @@ if TYPE_CHECKING:
     from langchain_core.messages.ai import (
         AIMessage,
         AIMessageChunk,
+        InputTokenDetails,
+        OutputTokenDetails,
+        UsageMetadata,
     )
     from langchain_core.messages.base import (
         BaseMessage,
@@ -87,10 +90,12 @@ __all__ = (
     "HumanMessage",
     "HumanMessageChunk",
     "ImageContentBlock",
+    "InputTokenDetails",
     "InvalidToolCall",
     "MessageLikeRepresentation",
     "NonStandardAnnotation",
     "NonStandardContentBlock",
+    "OutputTokenDetails",
     "PlainTextContentBlock",
     "ReasoningContentBlock",
     "RemoveMessage",
@@ -104,6 +109,7 @@ __all__ = (
     "ToolCallChunk",
     "ToolMessage",
     "ToolMessageChunk",
+    "UsageMetadata",
     "VideoContentBlock",
     "_message_from_dict",
     "convert_to_messages",
@@ -145,6 +151,7 @@ _dynamic_imports = {
     "HumanMessageChunk": "human",
     "NonStandardAnnotation": "content",
     "NonStandardContentBlock": "content",
+    "OutputTokenDetails": "ai",
     "PlainTextContentBlock": "content",
     "ReasoningContentBlock": "content",
     "RemoveMessage": "modifier",
@@ -154,12 +161,14 @@ _dynamic_imports = {
     "SystemMessage": "system",
     "SystemMessageChunk": "system",
     "ImageContentBlock": "content",
+    "InputTokenDetails": "ai",
     "InvalidToolCall": "tool",
     "TextContentBlock": "content",
     "ToolCall": "tool",
     "ToolCallChunk": "tool",
     "ToolMessage": "tool",
     "ToolMessageChunk": "tool",
+    "UsageMetadata": "ai",
     "VideoContentBlock": "content",
     "AnyMessage": "utils",
     "MessageLikeRepresentation": "utils",
diff --git a/libs/core/langchain_core/messages/ai.py b/libs/core/langchain_core/messages/ai.py
index 00e30c04f8d..595f522299d 100644
--- a/libs/core/langchain_core/messages/ai.py
+++ b/libs/core/langchain_core/messages/ai.py
@@ -48,10 +48,10 @@ class InputTokenDetails(TypedDict, total=False):
         }
         ```
 
-    !!! version-added "Added in version 0.3.9"
-
     May also hold extra provider-specific keys.
 
+    !!! version-added "Added in version 0.3.9"
+
     """
 
     audio: int
@@ -83,6 +83,8 @@ class OutputTokenDetails(TypedDict, total=False):
         }
         ```
 
+    May also hold extra provider-specific keys.
+
     !!! version-added "Added in version 0.3.9"
 
     """
diff --git a/libs/core/tests/unit_tests/messages/test_imports.py b/libs/core/tests/unit_tests/messages/test_imports.py
index 4999c74cdc7..263be79bfd3 100644
--- a/libs/core/tests/unit_tests/messages/test_imports.py
+++ b/libs/core/tests/unit_tests/messages/test_imports.py
@@ -55,6 +55,9 @@ EXPECTED_ALL = [
     "convert_to_openai_data_block",
     "convert_to_openai_image_block",
     "convert_to_openai_messages",
+    "UsageMetadata",
+    "InputTokenDetails",
+    "OutputTokenDetails",
 ]
 
 
diff --git a/libs/core/tests/unit_tests/prompts/__snapshots__/test_chat.ambr b/libs/core/tests/unit_tests/prompts/__snapshots__/test_chat.ambr
index 919317e2696..9446bc21c56 100644
--- a/libs/core/tests/unit_tests/prompts/__snapshots__/test_chat.ambr
+++ b/libs/core/tests/unit_tests/prompts/__snapshots__/test_chat.ambr
@@ -680,9 +680,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -798,6 +798,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -2092,9 +2094,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -2210,6 +2212,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
diff --git a/libs/core/tests/unit_tests/runnables/__snapshots__/test_graph.ambr b/libs/core/tests/unit_tests/runnables/__snapshots__/test_graph.ambr
index 01d0f84e7f8..8891c8aac3d 100644
--- a/libs/core/tests/unit_tests/runnables/__snapshots__/test_graph.ambr
+++ b/libs/core/tests/unit_tests/runnables/__snapshots__/test_graph.ambr
@@ -1104,9 +1104,9 @@
                     }
                     ```
                 
-                !!! version-added "Added in version 0.3.9"
-                
                 May also hold extra provider-specific keys.
+                
+                !!! version-added "Added in version 0.3.9"
               ''',
               'properties': dict({
                 'audio': dict({
@@ -1222,6 +1222,8 @@
                     }
                     ```
                 
+                May also hold extra provider-specific keys.
+                
                 !!! version-added "Added in version 0.3.9"
               ''',
               'properties': dict({
diff --git a/libs/core/tests/unit_tests/runnables/__snapshots__/test_runnable.ambr b/libs/core/tests/unit_tests/runnables/__snapshots__/test_runnable.ambr
index 60cc70dfcdb..8cee28625f5 100644
--- a/libs/core/tests/unit_tests/runnables/__snapshots__/test_runnable.ambr
+++ b/libs/core/tests/unit_tests/runnables/__snapshots__/test_runnable.ambr
@@ -2627,9 +2627,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -2744,6 +2744,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -4082,9 +4084,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -4199,6 +4201,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -5568,9 +5572,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -5685,6 +5689,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -6929,9 +6935,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -7046,6 +7052,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -8426,9 +8434,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -8543,6 +8551,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -9832,9 +9842,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -9949,6 +9959,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -11237,9 +11249,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -11354,6 +11366,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
@@ -12684,9 +12698,9 @@
               }
               ```
           
-          !!! version-added "Added in version 0.3.9"
-          
           May also hold extra provider-specific keys.
+          
+          !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
           'audio': dict({
@@ -12801,6 +12815,8 @@
               }
               ```
           
+          May also hold extra provider-specific keys.
+          
           !!! version-added "Added in version 0.3.9"
         ''',
         'properties': dict({
diff --git a/libs/langchain_v1/langchain/messages/__init__.py b/libs/langchain_v1/langchain/messages/__init__.py
index 014a27df396..9ebe98c81f2 100644
--- a/libs/langchain_v1/langchain/messages/__init__.py
+++ b/libs/langchain_v1/langchain/messages/__init__.py
@@ -21,10 +21,12 @@ from langchain_core.messages import (
     FileContentBlock,
     HumanMessage,
     ImageContentBlock,
+    InputTokenDetails,
     InvalidToolCall,
     MessageLikeRepresentation,
     NonStandardAnnotation,
     NonStandardContentBlock,
+    OutputTokenDetails,
     PlainTextContentBlock,
     ReasoningContentBlock,
     RemoveMessage,
@@ -36,6 +38,7 @@ from langchain_core.messages import (
     ToolCall,
     ToolCallChunk,
     ToolMessage,
+    UsageMetadata,
     VideoContentBlock,
     trim_messages,
 )
@@ -52,10 +55,12 @@ __all__ = [
     "FileContentBlock",
     "HumanMessage",
     "ImageContentBlock",
+    "InputTokenDetails",
     "InvalidToolCall",
     "MessageLikeRepresentation",
     "NonStandardAnnotation",
     "NonStandardContentBlock",
+    "OutputTokenDetails",
     "PlainTextContentBlock",
     "ReasoningContentBlock",
     "RemoveMessage",
@@ -67,6 +72,7 @@ __all__ = [
     "ToolCall",
     "ToolCallChunk",
     "ToolMessage",
+    "UsageMetadata",
     "VideoContentBlock",
     "trim_messages",
 ]
diff --git a/libs/langchain_v1/uv.lock b/libs/langchain_v1/uv.lock
index 41d6066b33e..b9bc5cb1741 100644
--- a/libs/langchain_v1/uv.lock
+++ b/libs/langchain_v1/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 2
+revision = 3
 requires-python = ">=3.10.0, <4.0.0"
 resolution-markers = [
     "python_full_version >= '3.13' and platform_python_implementation == 'PyPy'",
@@ -1743,7 +1743,7 @@ wheels = [
 
 [[package]]
 name = "langchain-core"
-version = "1.0.0"
+version = "1.0.1"
 source = { editable = "../core" }
 dependencies = [
     { name = "jsonpatch" },