LangChain Reference home pageLangChain ReferenceLangChain Reference
  • GitHub
  • Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
  • Overview
  • Client
  • AsyncClient
  • Run Helpers
  • Run Trees
  • Evaluation
  • Schemas
  • Utilities
  • Wrappers
  • Anonymizer
  • Testing
  • Expect API
  • Middleware
  • Pytest Plugin
  • Deployment SDK
  • RemoteGraph
⌘I

LangChain Assistant

Ask a question to get started

Enter to send•Shift+Enter new line

Menu

OverviewClientAsyncClientRun HelpersRun TreesEvaluationSchemasUtilitiesWrappersAnonymizerTestingExpect APIMiddlewarePytest PluginDeployment SDKRemoteGraph
Language
Theme
PythonlangsmithschemasRunprompt_token_details
Attribute●Since v0.3

prompt_token_details

Breakdown of prompt (input) token counts.

Does not need to sum to full prompt token count.

Copy
prompt_token_details: Optional[dict[str, int]] = None
View source on GitHub