{
  "$type": "site.standard.document",
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    "uri": "at://did:plc:lk3jfj3zq4k4wxnk474axylu/app.bsky.feed.post/3mkjl7k2pufa2"
  },
  "path": "/t/does-responses-api-support-stop-parameter-or-not/1379909#post_1",
  "publishedAt": "2026-04-28T01:53:22.000Z",
  "site": "https://community.openai.com",
  "tags": [
    "https://help.openai.com/en/articles/5072518-controlling-the-length-of-openai-model-responses",
    "OpenAI API Reference",
    "Create a model response",
    "developers.openai.com",
    "Migrate to the Responses API | OpenAI API"
  ],
  "textContent": "To my understanding, this article says that Responses API supports the `stop` parameter.\n\nhttps://help.openai.com/en/articles/5072518-controlling-the-length-of-openai-model-responses\n\nHowever, when I tried sending a request with `stop` parameter, I received the following error response.\n\n\n    {\n      \"error\": {\n        \"message\": \"Unknown parameter: 'stop'. Did you mean 'store'?\",\n        \"type\": \"invalid_request_error\",\n        \"param\": \"stop\",\n        \"code\": \"unknown_parameter\"\n      }\n    }\n\n\nAnd I can’t find any information regarding `stop` parameter either in the Responses API reference or in the migration guide.\n\nOpenAI API Reference\n\n### Create a model response\n\ndevelopers.openai.com\n\n### Migrate to the Responses API | OpenAI API\n\nIs the `stop` parameter not supported in Responses API?",
  "title": "Does Responses API support `stop` parameter or not?"
}