OpenResponsesReasoningDeltaEvent | OpenRouter TypeScript SDK

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Event emitted when reasoning text delta is streamed

Example Usage

import { OpenResponsesReasoningDeltaEvent } from "@openrouter/sdk/models";

let value: OpenResponsesReasoningDeltaEvent = {
  type: "response.reasoning_text.delta",
  outputIndex: 0,
  itemId: "item-1",
  contentIndex: 0,
  delta: "First, we need",
  sequenceNumber: 4,
};

Fields

Field	Type	Required	Description
`type`	”response.reasoning_text.delta”	:heavy_check_mark:	N/A
`outputIndex`	number	:heavy_check_mark:	N/A
`itemId`	string	:heavy_check_mark:	N/A
`contentIndex`	number	:heavy_check_mark:	N/A
`delta`	string	:heavy_check_mark:	N/A
`sequenceNumber`	number	:heavy_check_mark:	N/A

⌘I

​Example Usage

​Fields

Example Usage

Fields