# Cannot set AI default LLM model even after creating available LLMs

**URL:** https://meta.discourse.org/t/llm-ai-default-llm-model/398853
**Category:** Support
**Tags:** ai
**Created:** [March 20, 2026, 2:03am UTC](https://meta.discourse.org/t/llm-ai-default-llm-model/398853 "2026-03-20T02:03:52Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![DeltaWater](https://avatars.discourse-cdn.com/v4/letter/d/51bf81/32.png) [@DeltaWater](https://meta.discourse.org/u/DeltaWater)
#### Post date: [March 20, 2026, 2:23am UTC](https://meta.discourse.org/t/llm-ai-default-llm-model/398853/4 "2026-03-20T02:23:22Z")

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![image](https://global.discourse-cdn.com/meta/original/4X/6/4/e/64e391f3c9b6aaebbd3353067d77fe1673435dd9.png)

Confusingly, shortly after, I clicked on “Change settings” again, and the error no longer appeared. I don’t know if this means it was successful.

Here is the server log for this operation:

```plaintext
Started PUT "/admin/site_settings/ai_default_llm_model" for 172.68.225.73 at 2026-03-20 02:20:19 +0000
Processing by Admin::SiteSettingsController#update as */*
  Parameters: {"ai_default_llm_model" => "3", "id" => "ai_default_llm_model"}
Completed 204 No Content in 2047ms (ActiveRecord: 0.0ms (0 queries, 0 cached) | GC: 0.5ms)

```

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