LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
    • Overview
    • Caches
    • Callbacks
    • Documents
    • Document loaders
    • Embeddings
    • Exceptions
    • Language models
    • Serialization
    • Output parsers
    • Prompts
    • Rate limiters
    • Retrievers
    • Runnables
    • Utilities
    • Vector stores
    MCP Adapters
    Standard Tests
    Text Splitters
    ⌘I

    LangChain Assistant

    Ask a question to get started

    Enter to send•Shift+Enter new line

    Menu

    OverviewCachesCallbacksDocumentsDocument loadersEmbeddingsExceptionsLanguage modelsSerializationOutput parsersPromptsRate limitersRetrieversRunnablesUtilitiesVector stores
    MCP Adapters
    Standard Tests
    Text Splitters
    Language
    Theme
    Pythonlangchain-coremessagesaiOutputTokenDetails
    Class●Since v0.3

    OutputTokenDetails

    Breakdown of output token counts.

    Does not need to sum to full output token count. Does not need to have all keys.

    Copy
    OutputTokenDetails()

    Bases

    TypedDict

    Example:

    {
        "audio": 10,
        "reasoning": 200,
    }

    May also hold extra provider-specific keys.

    Constructors

    constructor
    __init__
    NameType
    audioint
    reasoningint

    Attributes

    attribute
    audio: int

    Audio output tokens.

    attribute
    reasoning: int

    Reasoning output tokens.

    Tokens generated by the model in a chain of thought process (i.e. by OpenAI's o1 models) that are not returned as part of model output.

    View source on GitHub