When using DeepSeek, it passed the test in configuration menu, but the API returned 400 error with content {"error":{"message":"This response_format type is unavailable now","type":"invalid_request_error","param":null,"code":"invalid_request_error"}}

You need a model that supports structured outputs.

It is compatible with OpenAI API, is this not enough? And, according to the document , it is confirmed that supports JSON object output. I never ever touched Ruby so I can’t know how Discourse treat response_format field. Btw, I tried compatible Authropic API provided by DeepSeek, still unavailable. …

[image] MoRanYue: It is compatible with OpenAI API, is this not enough? And, according to the document , it is confirmed that supports JSON object output. I never ever touched Ruby so I can’t know how Discourse treat response_format field. That’s “JSON mode” which is a deprecated old version o…

Gérer les problèmes de format de réponse JSON de DeepSeek

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Falco (Falco) Octobre 3, 2025, 11:46 2

Vous avez besoin d’un modèle qui prend en charge les sorties structurées.

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Reasoning Models 400 error Product Support ai	7	500	Janvier 28, 2025
I think discourse-ai API needs a regression Development ai	2	200	Novembre 1, 2025
Discourse 接入 DeepSeek 官方开放平台后出现无响应问题 Product Support ai	5	281	Juillet 26, 2026
DeepSeek provider support? What to do when model provider isn't in "Provider" list? Product Support ai	12	1343	Février 3, 2025
我想调研一下，大家discourse ai 插件都用的什么大模型？ UX ai	4	169	Septembre 21, 2026

Gérer les problèmes de format de réponse JSON de DeepSeek

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