To use this model you need to have the node-llama-cpp module installed. This can be installed using npm install -S node-llama-cpp and the minimum version supported in version 2.0.0. This also requires that have a locally built version of Llama2 installed.

Hierarchy

Constructors

Properties

CallOptions: LlamaCppCallOptions
ParsedCallOptions: Omit<LlamaCppCallOptions, never>
caller: AsyncCaller

The async caller should be used by subclasses to make any async calls, which will thus benefit from the concurrency and retry logic.

verbose: boolean

Whether to print out response text.

callbacks?: Callbacks
maxTokens?: number
metadata?: Record<string, unknown>
tags?: string[]
temperature?: number
topK?: number
topP?: number
trimWhitespaceSuffix?: boolean
lc_runnable: boolean = true

Accessors

Methods

  • Get the parameters used to invoke the model

    Returns {
        maxTokens: undefined | number;
        temperature: undefined | number;
        topK: undefined | number;
        topP: undefined | number;
        trimWhitespaceSuffix: undefined | boolean;
    }

    • maxTokens: undefined | number
    • temperature: undefined | number
    • topK: undefined | number
    • topP: undefined | number
    • trimWhitespaceSuffix: undefined | boolean
  • Predicts the next message based on a text input.

    Parameters

    • text: string

      The text input.

    • Optional options: string[] | LlamaCppCallOptions

      The call options or an array of stop sequences.

    • Optional callbacks: Callbacks

      The callbacks for the language model.

    Returns Promise<string>

    A Promise that resolves to a string.

  • Stream all output from a runnable, as reported to the callback system. This includes all inner runs of LLMs, Retrievers, Tools, etc. Output is streamed as Log objects, which include a list of jsonpatch ops that describe how the state of the run has changed in each step, and the final state of the run. The jsonpatch ops can be applied in order to construct state.

    Parameters

    Returns AsyncGenerator<RunLogPatch, any, unknown>

  • Helper method to transform an Iterator of Input values into an Iterator of Output values, with callbacks. Use this to implement stream() or transform() in Runnable subclasses.

    Type Parameters

    Parameters

    • inputGenerator: AsyncGenerator<I, any, unknown>
    • transformer: ((generator, runManager?, options?) => AsyncGenerator<O, any, unknown>)
        • (generator, runManager?, options?): AsyncGenerator<O, any, unknown>
        • Parameters

          Returns AsyncGenerator<O, any, unknown>

    • Optional options: LlamaCppCallOptions & {
          runType?: string;
      }

    Returns AsyncGenerator<O, any, unknown>

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