can not use deepseek-api in opencode #10788

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1. 9p15p

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   bugSomething isn't workingSomething isn't working

   on Jan 27, 2026
2. github-actions

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   rekram1-node

   on Jan 27, 2026
3. github-actions commented on Jan 27, 2026

   

   github-actionsBot

   on Jan 27, 2026 – with GitHub Actions

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   This issue might be a duplicate of existing issues. Please check:

   • DeepSeek 3.2: Missing reasoning_content #4947: DeepSeek 3.2: Missing reasoning_content - The original issue with the same error message
   • Deepseek missing "reasoning_content" field ; deepseek_reasoner model erroring out #5027: Deepseek missing "reasoning_content" field ; deepseek_reasoner model erroring out - Another instance of the same error
   • DeepSeek API requires reasoning_content but opencode does not preserve or forward it #5332: DeepSeek API requires reasoning_content but opencode does not preserve or forward it - Related reasoning_content handling issue
   • reasoning_content not sent when using @ai-sdk/openai-compatible with deepseek-reasoner #6040: reasoning_content not sent when using @ai-sdk/openai-compatible with deepseek-reasoner - Related reasoning_content not being sent in subsequent requests
   • Deepseek-chat:options:thinking:type:enabled thinking tools bug #9397: Deepseek-chat:options:thinking:type:enabled thinking tools bug - Related thinking mode error

   Feel free to ignore if none of these address your specific case.
4. 9p15p commented on Jan 27, 2026

   

   9p15p

   on Jan 27, 2026

   Last edited by 9p15p

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   this is my opencode.json

   {
     "$schema": "https://opencode.ai/config.json",
     "plugin": [
       "oh-my-opencode@latest",
       "opencode-antigravity-auth@1.3.1"
     ],
     "provider": {
       "deepseek": {
         "npm": "@ai-sdk/openai-compatible",
         "name": "DeepSeek",
         "options": {
           "baseURL": "https://api.deepseek.com/v1",
           "apiKey": "{env:DEEPSEEK_API_KEY}"
         },
         "models": {
           "deepseek-chat": {
             "name": "DeepSeek V3",
             "limit": {
               "context": 128000,
               "output": 8192
             }
           },
           "deepseek-reasoner": {
             "name": "DeepSeek R1",
             "limit": {
               "context": 128000,
               "output": 65536
             }
           }
         }
       },
   }
   

   this is my oh-my-opencode.json

   {
     "$schema": "https://raw.githubusercontent.com/code-yeongyu/oh-my-opencode/master/assets/oh-my-opencode.schema.json",
     "agents": {
       "sisyphus": {
         "model": "deepseek/deepseek-chat",
         "variant": "high"
       },
       "oracle": {
         "model": "deepseek/deepseek-reasoner",
         "variant": "high"
       },
       "librarian": {
         "model": "deepseek/deepseek-chat"
       },
       "explore": {
         "model": "deepseek/deepseek-chat"
       },
       "multimodal-looker": {
         "model": "opencode/gemini-3-flash"
       },
       "prometheus": {
         "model": "deepseek/deepseek-reasoner",
         "variant": "max"
       },
       "metis": {
         "model": "deepseek/deepseek-reasoner",
         "variant": "max"
       },
       "momus": {
         "model": "deepseek/deepseek-reasoner",
         "variant": "medium"
       },
       "atlas": {
         "model": "deepseek/deepseek-chat"
       }
     },
     "categories": {
       "visual-engineering": {
         "model": "deepseek/deepseek-chat"
       },
       "ultrabrain": {
         "model": "deepseek/deepseek-reasoner",
         "variant": "xhigh"
       },
       "artistry": {
         "model": "deepseek/deepseek-chat",
         "variant": "max"
       },
       "quick": {
         "model": "deepseek/deepseek-chat"
       },
       "unspecified-low": {
         "model": "deepseek/deepseek-chat",
         "variant": "medium"
       },
       "unspecified-high": {
         "model": "deepseek/deepseek-chat",
         "variant": "medium"
       },
       "writing": {
         "model": "deepseek/deepseek-chat"
       }
     }
   }
   
5. 9p15p commented on Jan 27, 2026

   

   9p15p

   on Jan 27, 2026

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   It can be solved by #6040

   👎React with 👎1Reacted by RussiaVk
6. 9p15p

   closed this as completedon Jan 27, 2026