I may be completely off here and this is common knowledge to everyone but me… If so, I am sorry. But I have hade some strange errors in my installation, such as: DiscourseAi::Completions::Endpoints::Anthropic: status: 400 - body: { “type”:“error”, “error”:{“type”:“invalid_request_error”, “message…

Can you show how Sonnet 5 is configured on your instance? Do you have Disable native structured output (use assistant message prefilling instead, required for Claude 3.x and older) enabled by any chance?

[image] Falco: Can you show how Sonnet 5 is configured on your instance? Do you have Disable native structured output (use assistant message prefilling instead, required for Claude 3.x and older) enabled by any chance? The forum in question is running 2026.1.5 ESR, and this option was added …

Oh, thanks for sharing! Trying to use a new model with an old Discourse is not a winning strategy :smiley:. The providers keep changing API formats, parameters, etc. We do the best to keep the compatibility with thousands of models, but that does require constant updates to keep up, specially if y…

Discourse AI: Need to Remove JSON Response to get Antrophic Sonnet 5-working in e.g. semantic search

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RGJ (Richard - Communiteq) July 9, 2026, 1:28pm 3

The forum in question is running 2026.1.5 ESR, and this option was added after 2026.1, so I guess a lot of Claude specific logic is missing there.

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Discourse AI: Need to Remove JSON Response to get Antrophic Sonnet 5-working in e.g. semantic search

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