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

**URL:** https://meta.discourse.org/t/discourse-ai-need-to-remove-json-response-to-get-antrophic-sonnet-5-working-in-e-g-semantic-search/407117
**Category:** Support
**Tags:** ai
**Created:** [8 ביולי,‏ 2026,‏ 11:20pm UTC](https://meta.discourse.org/t/discourse-ai-need-to-remove-json-response-to-get-antrophic-sonnet-5-working-in-e-g-semantic-search/407117 "2026-07-08T23:20:26Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![RGJ](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/rgj/32/523185_2.png) [@RGJ](https://meta.discourse.org/u/RGJ)
#### Post date: [9 ביולי,‏ 2026,‏ 1:28pm UTC](https://meta.discourse.org/t/discourse-ai-need-to-remove-json-response-to-get-antrophic-sonnet-5-working-in-e-g-semantic-search/407117/3 "2026-07-09T13:28:59Z")

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> [@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 after 2026.1, so I guess a lot of Claude specific logic is missing there.

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