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Configure default model is not used in ACP #4001
Description
Description
Given the following config:
{
"$schema": "https://opencode.ai/config.json",
"model": "anthropic/claude-sonnet-4-5-20250929"
}When using opencode cli the model defaults to Sonnet 4.5 on startup. However, when using opencode via acp in zed the default model is always OpenCode Zen/Big Pickle.
OpenCode version
1.0.35
Steps to reproduce
- Set default model in config
- Open Zed
- Create new OpenCode thread
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Operating System
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Terminal
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Activity
github-actions commentedon Nov 6, 2025
This issue might be related to existing issues with model configuration in different contexts. Please check:
However, your specific case of config default model being ignored in ACP appears to be a distinct issue from these. Feel free to ignore if none of these address your specific case.
rekram1-node commentedon Nov 6, 2025
Oh ill fix that
rekram1-node commentedon Nov 6, 2025
/oc can u fix this, look in acp/agent.ts i think there is a condition out of order that is causing opencode big pickle to override the defaults set from the users config. There is a chance we aren't reading model from the Config.get() call if so fix that
This happens when the server is initialized I believe, but it could be happening on session load, in either case fix
opencode-agent commentedon Nov 6, 2025
Created PR #4006
opencode session | github run
feat: upgrade pi-mono to 0.52.9 and port OpenClaw security fixes