Where does the bug appear (feature/product)? Cursor IDE Describe the Bug When tried to use Kimi 2.6 API as a custom model inside Cursor IDE , after the first tool call, i got this error: Provider returned error: {“error”:{“message”:“thinking is enabled but reasoning_content is missing in assistant…

Hey, this is a known limitation of the BYOK path for thinking models like Kimi and DeepSeek. After the first tool call, reasoning_content gets dropped from the history, and the provider Moonshot rejects the next request. The same symptom is discussed here: Kimi/kimi-k2.5 cannot be called to execute…

Kimi 2.6 custom model - Provider returned error: {"error":{"message":"thinking is enabled but reasoning_content is missing - #6 by deanrie - Bug Reports - Cursor

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Kimi own key usage error Bug Reports nightly , byok	3	55	May 5, 2026
Deepseek-v4-pro error report Bug Reports	3	244	May 7, 2026
Kimi/kimi-k2.5 cannot be called to execute tool calls in cursor Bug Reports chat , byok	9	593	May 21, 2026
There is an issue with the integration of cursor into the deepseek v4 model Bug Reports byok	3	103	May 13, 2026
Error when i use deepseek-v4-flash Bug Reports	5	965	April 26, 2026

Kimi own key usage error

Bug Reports

nightly , byok

3

55

May 5, 2026

Deepseek-v4-pro error report

Bug Reports

3

244

May 7, 2026

Kimi/kimi-k2.5 cannot be called to execute tool calls in cursor

Bug Reports

chat , byok

9

593

May 21, 2026

There is an issue with the integration of cursor into the deepseek v4 model

Bug Reports

byok

3

103

May 13, 2026

Error when i use deepseek-v4-flash

Bug Reports

5

965

April 26, 2026

Kimi 2.6 custom model - Provider returned error: {"error":{"message":"thinking is enabled but reasoning_content is missing

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