Title: [Bug] glm-4.7 model triggers "High concurrency" error on first launch #9559

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1. kb-8-byte

   added

   bugSomething isn't workingSomething isn't working

   on Jan 20, 2026
2. github-actions

   assigned

   fwang

   on Jan 20, 2026
3. github-actions

   added

   zenRelates to ZenRelates to Zen

   on Jan 20, 2026
4. github-actions commented on Jan 20, 2026

   

   github-actionsBot

   on Jan 20, 2026 – with GitHub Actions

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

   • [BUG] GLM Coding Plan Pro ($15/mo) unusable due to undocumented concurrent request limit of 1 #8618: [BUG] GLM Coding Plan Pro (5/mo) unusable due to undocumented concurrent request limit of 1 - directly addresses the "High concurrency" error you're experiencing with GLM-4.7
   • GLM 4.7 AI_JSONParseError #8431: GLM 4.7 AI_JSONParseError - related GLM-4.7 model issues
   • 🐛 Bug Report: MCP Tool JSON Parsing Errors on OpenCode (GLM-4.7) #8102: MCP Tool JSON Parsing Errors on OpenCode (GLM-4.7) - another GLM-4.7 problem

   Feel free to ignore if none of these address your specific case.
5. Mvkweb commented on Jan 20, 2026

   

   Mvkweb

   on Jan 20, 2026

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   it is not a bug, the model is being used heavily by everyone since its free.

   👍React with 👍6Reacted by JonathanJu, wilson10589, Joaquín bruses, Lisanny A. Peña G., M. Ramadhani Saputra and saehan Lee/SLAM in the hazardous environments

   👎React with 👎2Reacted by ᎠᎡ. Ѕϵrgϵ Ѵictor and Ozzy
6. Y-ASLant commented on Jan 21, 2026

   

   Y-ASLant

   on Jan 21, 2026

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   这不是bug，这个模型因为免费，大家都在大量使用。

   我使用自己中转站的也会触发这个，我都没有调用GLM，为什么还会触发？

   
7. vishalveerareddy123 commented on Jan 23, 2026

   

   vishalveerareddy123

   on Jan 23, 2026

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   https://github.com/Fast-Editor/Lynkr Use this to connect z.ai models to claude code
   It handles 400 errors and all forms of errors with glm models well.
8. ser commented on Jan 26, 2026

   

   ser

   on Jan 26, 2026

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   it is not a bug, the model is being used heavily by everyone since its free.

   it's not free, this error displays in paid version
9. ethaizone commented on Jan 27, 2026

   

   ethaizone

   on Jan 27, 2026

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   I can confirm too. I use GLM Coding Pro-Yearly Plan and I can use opencode only for 3 sessions only in same times. If this error message come from API then it might be limitation of GLM itself.
10. ser commented on Jan 27, 2026

    

    ser

    on Jan 27, 2026

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    I have no idea how you are able to use even a single session, when I tried, API was blocking access momentary. It looks like opencode uses several threads and I have no idea how to limit concurrent usage.
11. esafak commented on Feb 3, 2026

    

    esafak

    on Feb 3, 2026

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    it is not a bug, the model is being used heavily by everyone since its free.

    I get this error on the coding plan!
12. rekram1-node

    removed

    zenRelates to ZenRelates to Zen

    on Feb 3, 2026
13. github-actions commented on Apr 5, 2026

    

    github-actionsBot

    on Apr 5, 2026 – with GitHub Actions

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    To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.
14. github-actions

    closed this as completedon Apr 5, 2026