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, 1:51 4

C’est le « mode JSON » qui est une ancienne version obsolète des sorties structurées dans l’API OpenAI.

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Reasoning Models 400 error Support ai	7	366	Janvier 28, 2025
I think discourse-ai API needs a regression Development ai	2	143	Novembre 1, 2025
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Discourse AI: Need to Remove JSON Response to get Antrophic Sonnet 5-working in e.g. semantic search Support ai	3	112	Juillet 9, 2026

Gérer les problèmes de format de réponse JSON de DeepSeek

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