Class BedrockChat

Example

const model = new BedrockChat({
  model: "anthropic.claude-v2",
  region: "us-east-1",
});
const res = await model.invoke([{ content: "Tell me a joke" }]);
console.log(res);

Hierarchy (view full)

Constructors

constructor

Properties

codec credentials fetchFn guardrailIdentifier guardrailVersion model region streaming usesMessagesApi endpointHost? guardrailConfig? maxTokens? modelKwargs? stopSequences? temperature? trace?

Constructors

constructor

Properties

codec

codec: EventStreamCodec = ...

credentials

credentials: CredentialType

fetchFn

fetchFn: {
    (input, init?): Promise<Response>;
    (input, init?): Promise<Response>;
}

Type declaration

    • (input, init?): Promise<Response>

    • MDN Reference

      Parameters

      • input: string | URL | Request
      • Optional init: RequestInit

      Returns Promise<Response>

    • (input, init?): Promise<Response>

    • Parameters

      • input: RequestInfo
      • Optional init: RequestInit

      Returns Promise<Response>

guardrailIdentifier

guardrailIdentifier: string = ""

guardrailVersion

guardrailVersion: string = ""

model

model: string = "amazon.titan-tg1-large"

region

region: string

streaming

streaming: boolean = false

usesMessagesApi

usesMessagesApi: boolean = false

Optional endpointHost

endpointHost?: string

Optional guardrailConfig

guardrailConfig?: {
    streamProcessingMode: "SYNCHRONOUS" | "ASYNCHRONOUS";
    tagSuffix: string;
}

Type declaration

  • streamProcessingMode: "SYNCHRONOUS" | "ASYNCHRONOUS"
  • tagSuffix: string

Optional maxTokens

maxTokens?: number = undefined

Optional modelKwargs

modelKwargs?: Record<string, unknown>

Optional stopSequences

stopSequences?: string[]

⚠️ Deprecated ⚠️

Use as a call option using .bind() instead.

This feature is deprecated and will be removed in the future.

It is not recommended for use.

Optional temperature

temperature?: number = undefined

Optional trace

trace?: "ENABLED" | "DISABLED"

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