[FEATURE]: Ability to specify different model to use for compaction #6976

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1. mzealey

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   discussionUsed for feature requests, proposals, ideas, etc. Open discussionUsed for feature requests, proposals, ideas, etc. Open discussion

   on Jan 5, 2026
2. github-actions

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   thdxr

   on Jan 5, 2026
3. github-actions

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   zenRelates to ZenRelates to Zen

   on Jan 5, 2026
4. github-actions commented on Jan 5, 2026

   

   github-actionsBot

   on Jan 5, 2026 – with GitHub Actions

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

   • [FEATURE]: Dynamic model selection for subagents via Task tool #6651: [FEATURE]: Dynamic model selection for subagents via Task tool - discusses model selection for subagents with detailed proposals for tiered model selection
   • Subtask commands do not inherit model #6928: Subtask commands do not inherit model - relates to model inheritance in subtasks

   These issues address similar use cases around flexible model selection for different agent tasks. You may want to reference them or consolidate the discussion.
5. rekram1-node commented on Jan 5, 2026

   

   rekram1-node

   on Jan 5, 2026

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   @mzealey you can do this in ur opencode config:

    "agent": {
       "compaction": {
         "model": "...",
       },
     },
   

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6. rekram1-node

   closed this as completedon Jan 5, 2026
7. mzealey commented on Jan 5, 2026

   

   mzealey

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   Ah I see - I looked in the docs which did not have this - i see it's in the config.json though.
8. 98h398hrpohpoai commented on May 4, 2026

   

   98h398hrpohpoai

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   Per mzealey's note, is there any actual documentation on how to manage this per model? Some models have become unusuable for me due to aggressive compaction that doesn't appear to respond to the config.json options I've been able to find through various issue reports.