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langchain/libs/standard-tests/langchain_standard_tests
ccurme fbfed65fb1
core, partners: add token usage attribute to AIMessage (#21944)
```python
class UsageMetadata(TypedDict):
    """Usage metadata for a message, such as token counts.

    Attributes:
        input_tokens: (int) count of input (or prompt) tokens
        output_tokens: (int) count of output (or completion) tokens
        total_tokens: (int) total token count
    """

    input_tokens: int
    output_tokens: int
    total_tokens: int
```
```python
class AIMessage(BaseMessage):
    ...
    usage_metadata: Optional[UsageMetadata] = None
    """If provided, token usage information associated with the message."""
    ...
```
5 days ago
..
integration_tests core, partners: add token usage attribute to AIMessage (#21944) 5 days ago
unit_tests core, standard tests, partner packages: add test for model params (#21677) 2 weeks ago
__init__.py standard-tests: a standard unit and integration test set (#20182) 2 months ago
py.typed standard-tests: a standard unit and integration test set (#20182) 2 months ago