Interface PerplexityChatInput

Interface defining the parameters for the Perplexity chat model.

interface PerplexityChatInput {
    apiKey?: string;
    cache?: boolean | BaseCache<Generation[]>;
    callbackManager?: CallbackManager;
    callbacks?: Callbacks;
    disableStreaming?: boolean;
    frequencyPenalty?: number;
    maxConcurrency?: number;
    maxRetries?: number;
    maxTokens?: number;
    metadata?: Record<string, unknown>;
    model: string;
    onFailedAttempt?: FailedAttemptHandler;
    presencePenalty?: number;
    returnImages?: boolean;
    returnRelatedQuestions?: boolean;
    searchDomainFilter?: any[];
    searchRecencyFilter?: string;
    streaming?: boolean;
    tags?: string[];
    temperature?: number;
    timeout?: number;
    topK?: number;
    topP?: number;
    verbose?: boolean;
}

Hierarchy

  • BaseChatModelParams
    • PerplexityChatInput

Implemented by

Properties

apiKey? cache? callbackManager? callbacks? disableStreaming? frequencyPenalty? maxConcurrency? maxRetries? maxTokens? metadata? model onFailedAttempt? presencePenalty? returnImages? returnRelatedQuestions? searchDomainFilter? searchRecencyFilter? streaming? tags? temperature? timeout? topK? topP? verbose?

Properties

OptionalapiKey

apiKey?: string

API key for Perplexity. Defaults to the value of PERPLEXITY_API_KEY environment variable.

Optionalcache

cache?: boolean | BaseCache<Generation[]>

OptionalcallbackManager

callbackManager?: CallbackManager

Deprecated

Use callbacks instead

Optionalcallbacks

callbacks?: Callbacks

OptionaldisableStreaming

disableStreaming?: boolean

Whether to disable streaming.

If streaming is bypassed, then stream() will defer to invoke().

  • If true, will always bypass streaming case.
  • If false (default), will always use streaming case if available.

OptionalfrequencyPenalty

frequencyPenalty?: number

Frequency penalty greater than 0

OptionalmaxConcurrency

maxConcurrency?: number

The maximum number of concurrent calls that can be made. Defaults to Infinity, which means no limit.

OptionalmaxRetries

maxRetries?: number

The maximum number of retries that can be made for a single call, with an exponential backoff between each attempt. Defaults to 6.

OptionalmaxTokens

maxTokens?: number

Maximum number of tokens to generate

Optionalmetadata

metadata?: Record<string, unknown>

model

model: string

Model name to use

OptionalonFailedAttempt

onFailedAttempt?: FailedAttemptHandler

Custom handler to handle failed attempts. Takes the originally thrown error object as input, and should itself throw an error if the input error is not retryable.

OptionalpresencePenalty

presencePenalty?: number

Presence penalty between -2 and 2

OptionalreturnImages

returnImages?: boolean

Whether to return images

OptionalreturnRelatedQuestions

returnRelatedQuestions?: boolean

Determines whether or not a request to an online model should return related questions.

OptionalsearchDomainFilter

searchDomainFilter?: any[]

Search domain filter - limit the citations used by the online model to URLs from the specified domains.

OptionalsearchRecencyFilter

searchRecencyFilter?: string

Returns search results within the specified time interval - does not apply to images. Values include month, week, day, hour.

Optionalstreaming

streaming?: boolean

Whether to stream the results or not

Optionaltags

tags?: string[]

Optionaltemperature

temperature?: number

Temperature parameter between 0 and 2

Optionaltimeout

timeout?: number

Timeout for requests to Perplexity

OptionaltopK

topK?: number

Top K parameter between 1 and 2048

OptionaltopP

topP?: number

Top P parameter between 0 and 1

Optionalverbose

verbose?: boolean

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