# What is this Provider Error?

**URL:** <https://forum.cursor.com/t/what-is-this-provider-error/163855>\
**Category:** Help\
**Tags:** byok\
**Created:** [June 23, 2026, 3:22am UTC](https://forum.cursor.com/t/what-is-this-provider-error/163855 "2026-06-23T03:22:12Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![Tom\_Coustols](https://sea3.discourse-cdn.com/cursor1/user_avatar/forum.cursor.com/tom_coustols/32/97175_2.png) [@Tom\_Coustols](https://forum.cursor.com/u/Tom_Coustols)\
**Post date:** [June 23, 2026, 4:05am UTC](https://forum.cursor.com/t/what-is-this-provider-error/163855/4 "2026-06-23T04:05:05Z")

</div>

hey @David_Bartlett i’m linking you to this answer made by a Cursor employee :

> [@GLM 5.2 Support?](https://forum.cursor.com/t/glm-5-2-support/163533/9):
>
> Hey @Tara @ppb, quick important note: OpenRouter isn’t officially supported in Cursor. The supported BYOK providers are OpenAI, Anthropic, Google AI, Azure OpenAI, and AWS Bedrock. Using Cursor + OpenRouter via an Override OpenAI Base URL is known to be partially broken. You can hit request format errors, tools issues, and other incompatibilities. It’s an unsupported workaround, not an official path. That’s also why Kimi K2.5 breaks. When Override OpenAI Base URL is enabled, requests go to your…

---

_[View the full topic](https://forum.cursor.com/t/what-is-this-provider-error/163855)._