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[Bug]: Failed to use Kimi-k2.5 by anthropic api #13511

@wchniou

Description

@wchniou

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  • I understand that issues are for feedback and problem solving, not for complaining in the comment section, and will provide as much information as possible to help solve the problem.
  • My issue is not listed in the FAQ.
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Platform

macOS

Version

26

Bug Description

Hi, when I use Claude API, I found out the extended thinking could not be turned off even though it is already set to minimal or default. Meanwhile, I have turned off reasoning in Model setting. Please provide a configuration that is able to turn off the extended thinking.

Otherwise, when I use Agent through Claude API, it always error.

API Error: 400 {"error":{"type":"invalid_request_error","message":"thinking is enabled but reasoning_content is missing in assistant tool call message at index 28 (tid: 2026

Image

031610532324010998126318256)"},"type":"error"}

Image Image

Steps To Reproduce

Use kimi-k2.5 in Anthropic API-compatible in agent and in the second response, it will show error.

Expected Behavior

Provide a configure that could turn thinking off?

Relevant Log Output

Additional Context

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