Gemini 3 never follows instructions in plan mode and always requests to modify code #2960

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opened 2026-02-16 17:38:02 -05:00 by yindo · 5 comments
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Originally created by @lenhanpham on GitHub (Nov 19, 2025).

Originally assigned to: @rekram1-node on GitHub.

Description

Turn on Plan Agent, and request it to make a plan first, but it never does so. It always requests to modify code other wise it will stop 😅

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Originally created by @lenhanpham on GitHub (Nov 19, 2025). Originally assigned to: @rekram1-node on GitHub. ### Description Turn on Plan Agent, and request it to make a plan first, but it never does so. It always requests to modify code other wise it will stop 😅 <img width="1887" height="1006" alt="Image" src="https://github.com/user-attachments/assets/a6ce30d3-0879-4cbd-82d5-3e40f9606a52" /> ### OpenCode version _No response_ ### Steps to reproduce _No response_ ### Screenshot and/or share link _No response_ ### Operating System _No response_ ### Terminal _No response_
yindo added the bug label 2026-02-16 17:38:02 -05:00
yindo closed this issue 2026-02-16 17:38:02 -05:00
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@zokizuan commented on GitHub (Nov 19, 2025):

Gemini 3 is not working properly

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@zokizuan commented on GitHub (Nov 19, 2025): Gemini 3 is not working properly <img width="904" height="945" alt="Image" src="https://github.com/user-attachments/assets/152ca7e9-c7a1-4456-a8f9-867d6b83b500" />
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@rekram1-node commented on GitHub (Nov 19, 2025):

@zokizuan that's an issue specifically with copilot we have separate issue for that #4468

@rekram1-node commented on GitHub (Nov 19, 2025): @zokizuan that's an issue specifically with copilot we have separate issue for that #4468
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@zokizuan commented on GitHub (Nov 19, 2025):

my bad i will forword the issues there

@zokizuan commented on GitHub (Nov 19, 2025): my bad i will forword the issues there
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@jenslys commented on GitHub (Nov 20, 2025):

Not sure how much prompting will fix this, but Gemini 3 seems to overall just not follow any instructions in the AGENTS file either.

@jenslys commented on GitHub (Nov 20, 2025): Not sure how much prompting will fix this, but Gemini 3 seems to overall just not follow any instructions in the AGENTS file either.
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@TreeOfLearning commented on GitHub (Nov 26, 2025):

Not sure how much prompting will fix this, but Gemini 3 seems to overall just not follow any instructions in the AGENTS file either.

I'm glad it's not just me experiencing this. It is next to impossible to get it to follow these instructions and when it does, by some crazy chance, it only works for a few turns before forgetting. I'm assuming this is a model problem though, because I experience exactly the same thing in gemini cli.

@TreeOfLearning commented on GitHub (Nov 26, 2025): > Not sure how much prompting will fix this, but Gemini 3 seems to overall just not follow any instructions in the AGENTS file either. I'm glad it's not just me experiencing this. It is next to impossible to get it to follow these instructions and when it does, by some crazy chance, it only works for a few turns before forgetting. I'm assuming this is a model problem though, because I experience exactly the same thing in gemini cli.
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Reference: anomalyco/opencode#2960