Output starts to slow to a crawl #2529

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opened 2026-02-16 17:36:06 -05:00 by yindo · 3 comments
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Originally created by @bcardarella on GitHub (Nov 3, 2025).

Originally assigned to: @kommander on GitHub.

Description

https://github.com/user-attachments/assets/33fd67ab-9d65-45a4-a558-fa18118c3675

I'm on 1.0.15 with a somewhat long chat history. At some point the LLM output starts to write very very slowly.

OpenCode version

1.0.15

Steps to reproduce

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Operating System

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Terminal

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Originally created by @bcardarella on GitHub (Nov 3, 2025). Originally assigned to: @kommander on GitHub. ### Description https://github.com/user-attachments/assets/33fd67ab-9d65-45a4-a558-fa18118c3675 I'm on 1.0.15 with a somewhat long chat history. At some point the LLM output starts to write very very slowly. ### OpenCode version 1.0.15 ### Steps to reproduce _No response_ ### Screenshot and/or share link _No response_ ### Operating System _No response_ ### Terminal _No response_
yindo added the opentuibug labels 2026-02-16 17:36:06 -05:00
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@github-actions[bot] commented on GitHub (Nov 3, 2025):

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

  • #3094: Performance noticeably drops with very long history (closed) - Similar symptoms with slow text output and jumpy rendering after long usage
  • #3746: Long prompt history stalls the app, long load time - Identical reporter (bcardarella) experiencing performance issues with long history
  • #811: Text rendering is VERY slow - Detailed report about slow text rendering and high CPU usage with similar symptoms

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

@github-actions[bot] commented on GitHub (Nov 3, 2025): This issue might be a duplicate of existing issues. Please check: - #3094: Performance noticeably drops with very long history (closed) - Similar symptoms with slow text output and jumpy rendering after long usage - #3746: Long prompt history stalls the app, long load time - Identical reporter (bcardarella) experiencing performance issues with long history - #811: Text rendering is VERY slow - Detailed report about slow text rendering and high CPU usage with similar symptoms Feel free to ignore if none of these address your specific case.
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@thdxr commented on GitHub (Nov 3, 2025):

this seems like the provider is responding slowly

@thdxr commented on GitHub (Nov 3, 2025): this seems like the provider is responding slowly
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@thdxr commented on GitHub (Nov 3, 2025):

i will double check though

@thdxr commented on GitHub (Nov 3, 2025): i will double check though
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Reference: anomalyco/opencode#2529