# Issue with Claude 3.5 Sonnet Model

**URL:** <https://community.mindstudio.ai/t/issue-with-claude-3-5-sonnet-model/1809>\
**Category:** Bug Reports\
**Created:** [November 5, 2025, 7:52pm UTC](https://community.mindstudio.ai/t/issue-with-claude-3-5-sonnet-model/1809 "2025-11-05T19:52:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Marin](https://avatars.discourse-cdn.com/v4/letter/m/cdc98d/32.png) [@Marin](https://community.mindstudio.ai/u/Marin)\
**Post date:** [November 5, 2025, 7:52pm UTC](https://community.mindstudio.ai/t/issue-with-claude-3-5-sonnet-model/1809/1 "2025-11-05T19:52:05Z")

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I had a problem with the Claude 3.5 Sonnet (20240620) model, now it is giving an error:  
LLM Error: 404 {“type”:“error”,“error”:{“type”:“not\_found\_error”,“message”:“model: Claude 3.5 Sonnet (20240620)”},“request\_id”:“req\_011CUqKfCu9qJig7rDUHE88z”}

 ![image](https://canada1.discourse-cdn.com/flex008/uploads/mindstudio/original/2X/2/2ef64dc2c9f407302f15fe7678cf09c98e6c3a53.png)

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**Author:** ![Alex\_MindStudio](https://yyz2.discourse-cdn.com/flex008/user_avatar/community.mindstudio.ai/alex_mindstudio/32/27_2.png) [@Alex\_MindStudio](https://community.mindstudio.ai/u/Alex_MindStudio)\
**Post date:** [November 6, 2025, 11:21am UTC](https://community.mindstudio.ai/t/issue-with-claude-3-5-sonnet-model/1809/2 "2025-11-06T11:21:15Z")

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Hi @Marin,

Anthropic has deprecated that LLM, so all your Agents and blocks using it now automatically fall back to Claude 3 Haiku. If Claude 3 Haiku doesn’t meet your needs, please select a different model.