Interface AIChatStreamMessageComplete

The fully assembled assistant message for one run of a streaming chat completion (SSE message_complete event).

interface AIChatStreamMessageComplete {
    finish_reason?: string;
    message: AIMessage;
    usage?: Record<string, unknown>;
}

Properties

finish_reason?: string

Why the model stopped generating this message, e.g. "stop", "length", or "tool_calls".

The complete assistant message for this run, assembled from the preceding deltas.

usage?: Record<string, unknown>

Token consumption for this run, keyed by model ID. null when usage data is unavailable.