Interface DoneChunk

The last chunk: why the model stopped and, where the provider reports it, the token usage for the whole call.

interface DoneChunk {
    durationMs?: number;
    finishReason: FinishReason;
    modelUsed?: string;
    requestId?: string;
    timeToFirstTokenMs?: number;
    toolCalls?: ToolCall[];
    type: "done";
    usage?: TokenUsage;
}

Index

Properties

durationMs? finishReason modelUsed? requestId? timeToFirstTokenMs? toolCalls? type usage?

Properties

`Optional`durationMs

durationMs?: number

Wall time for the whole stream (set by the factory).

finishReason

finishReason: FinishReason

`Optional`modelUsed

modelUsed?: string

`Optional`requestId

requestId?: string

When the provider sends one.

`Optional`timeToFirstTokenMs

timeToFirstTokenMs?: number

ms until the first text chunk (set by the factory).

`Optional`toolCalls

toolCalls?: ToolCall[]

type

type: "done"

`Optional`usage

usage?: TokenUsage