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langchain/libs
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."""
    ...
```
4 months ago
..
cli infra: rm unused # noqa violations (#22049) 4 months ago
community community[patch]: Release. 0.2.1 (#22073) 4 months ago
core core, partners: add token usage attribute to AIMessage (#21944) 4 months ago
experimental infra: rm unused # noqa violations (#22049) 4 months ago
langchain langchain[patch]: Release 0.2.1 (#22074) 4 months ago
partners core, partners: add token usage attribute to AIMessage (#21944) 4 months ago
standard-tests core, partners: add token usage attribute to AIMessage (#21944) 4 months ago
text-splitters text-splitters[patch]: Extend TextSplitter:keep_separator functionality (#21130) 4 months ago