Opencode either bugs out or spawns a ton of subagents #1900

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opened 2026-02-16 17:33:08 -05:00 by yindo · 4 comments
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Originally created by @stjepangolemac on GitHub (Oct 1, 2025).

Originally assigned to: @thdxr on GitHub.

I'm working on a codebase and using Grok 4 Fast for planning and Grok Code Fast 1 for building. This happened a few times already and even though it does some work it's very suspicious. I assume there was probably 50-100 subagents in this session, if they even were subagents and not a rendering bug.

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Originally created by @stjepangolemac on GitHub (Oct 1, 2025). Originally assigned to: @thdxr on GitHub. I'm working on a codebase and using Grok 4 Fast for planning and Grok Code Fast 1 for building. This happened a few times already and even though it does some work it's very suspicious. I assume there was probably 50-100 subagents in this session, if they even were subagents and not a rendering bug. <img width="892" height="1380" alt="Image" src="https://github.com/user-attachments/assets/c89bbd3c-e41c-49f7-a45d-bc2269bb4f31" /> <img width="1336" height="1510" alt="Image" src="https://github.com/user-attachments/assets/b97f0c2f-c1a8-4fa8-89fd-abfa3fd5602d" />
yindo closed this issue 2026-02-16 17:33:08 -05:00
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@github-actions[bot] commented on GitHub (Oct 1, 2025):

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

  • #2052: Subagents often getting stuck into tool usage loops - describes similar behavior where subagents get stuck in loops with excessive tool usage
  • #1733: TUI Apparently errors out with many agents - describes TUI issues when dealing with many agents/subagents

Feel free to ignore if none of these address your specific case.

@github-actions[bot] commented on GitHub (Oct 1, 2025): This issue might be a duplicate of existing issues. Please check: - #2052: Subagents often getting stuck into tool usage loops - describes similar behavior where subagents get stuck in loops with excessive tool usage - #1733: TUI Apparently errors out with many agents - describes TUI issues when dealing with many agents/subagents Feel free to ignore if none of these address your specific case.
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@rekram1-node commented on GitHub (Oct 1, 2025):

wow that's weird, can you run /details I think some of the tool details are being hidden which makes it look strange?

@rekram1-node commented on GitHub (Oct 1, 2025): wow that's weird, can you run `/details` I think some of the tool details are being hidden which makes it look strange?
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@aefmind commented on GitHub (Jan 21, 2026):

This a weird behavior i've found often in vscode when using Grok Code Fast 1 and the task is too complex/length. It's not an OpenCode issue itself.

@aefmind commented on GitHub (Jan 21, 2026): This a weird behavior i've found often in vscode when using Grok Code Fast 1 and the task is too complex/length. It's not an OpenCode issue itself.
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@rekram1-node commented on GitHub (Jan 21, 2026):

yeah model issue

@rekram1-node commented on GitHub (Jan 21, 2026): yeah model issue
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Reference: anomalyco/opencode#1900