---
title: "chat.vibe-answer@2 · OpenVibe.Services"
canonical: "https://openvibe.services/docs/contracts/chat.vibe-answer"
updated: null
---

# chat.vibe-answer@2 · OpenVibe.Services

HTML: [chat.vibe-answer@2 · OpenVibe.Services](https://openvibe.services/docs/contracts/chat.vibe-answer)

# ChatVibeAnswerV2 `chat.vibe-answer@2`

Generated at 2026-11-13 06:25:48 UTC from [`openvibe-contracts v0.419.0`](https://github.com/OpenVibers/OpenVibe.Contracts/tree/v0.419.0) and [`openvibe-sdk v0.161.0`](https://github.com/OpenVibers/OpenVibe.SDK/tree/v0.161.0).

- Version: 2.0.0
- Owner: chat
- Visibility: public
- Status: active
- Compatibility: backward
- Schema: [`https://openvibe.network/contracts/chat/vibe-answer.v2.json`](/docs/contracts/chat.vibe-answer.json)

chat.vibe-answer@2: one answer to a person's Vibe question, from an explicit model selection. A question may carry one to three of these independently.

## Fields

| Field | Type | Required | Description | Constraints |
| --- | --- | --- | --- | --- |
| `model` | string | yes |  | - `minLength 2`<br>- `maxLength 256` |
| `status` | enum | yes |  | - `one of "writing", "finished", "failed"` |
| `text` | string | yes |  | - `maxLength 8000` |
| `provider` | string \| null |  |  |  |
| `cost_usd` | number \| null |  |  | - `minimum 0` |
| `ms` | integer \| null |  |  | - `minimum 0` |
| `run_id` | string \| null |  |  |  |
| `error` | string |  |  | - `maxLength 250` |

## Examples

From the contract's own test fixtures: valid ones validate, rejected ones must fail.

 Valid: finished

~~~~
{
  "model": "deepseek/deepseek-chat",
  "status": "finished",
  "text": "Hello.",
  "provider": "deepseek",
  "cost_usd": 0.0002,
  "ms": 420,
  "run_id": "run_example"
}
~~~~

Rejected: no-model

~~~~
{
  "status": "finished",
  "text": "Hello."
}
~~~~

## Validate

~~~~
const contracts = require('openvibe-contracts');
contracts.validate('chat.vibe-answer@2', value);   // { valid, errors: [{ path, message }] }
~~~~