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Deepseek missing "reasoning_content" field ; deepseek_reasoner model erroring out #5027
Closed as duplicate
Description
Description
When chatting with deepseek_reasoner model with deepseek provider getting error -
Missing reasoning_content field in the assistant message at message index 3. For more information, please refer to https://api-docs.deepseek.com/guides/thinking_mode#tool-calls
OpenCode version
latest
Steps to reproduce
- Just write anyting to deepseek_reasoner model using deepseek as provider
Screenshot and/or share link
No response
Operating System
macOS
Terminal
WezTerm
Activity
github-actions commentedon Dec 3, 2025
This issue might be a duplicate of existing issues. Please check:
reasoning_content#4947: DeepSeek 3.2: Missingreasoning_contentFeel free to ignore if this addresses your specific case.
rekram1-node commentedon Dec 4, 2025
Dup of #4947 fix is releasing rn