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HTTP 400 error trying to use mimo-v2.5 #45990
Description
Description
I have been using opencode go with Hermes with no problem. It was in the middle of a multiturn task using that model, when all of a sudden I got the below error. Since it was in the middle of a task, it is not like I changed the config or anything, so something very recently happened on the opencode go side to make this model no longer available.
── Hermes error details ──
time: 2026-08-28T18:01:55.153Z
layer: provider
code: unknown
retryable: true
provider: opencode-go
model: mimo-v2.5
error: HTTP 400: Error from provider (Console Go): Upstream request failed: [404] No allowed providers are available for the selected model. Providers serving xiaomi/mimo-v2.5-20260422: gmicloud, deepinfra, xiaomi, parasail, streamlake, novita, but your request's provider.only preference permits only: tencent.
Plugins
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OpenCode version
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Steps to reproduce
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Screenshot and/or share link
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Operating System
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Terminal
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Activity
github-actions commentedon Aug 28, 2026
This issue might be a duplicate of existing issues. Please check:
kernelRedmi9a commentedon Aug 28, 2026
it happens too for me, i lost the work...
javierjsp commentedon Aug 28, 2026
x3 same here
OpenCode Desktop
v1.17.0
Win 11 x64
Error from provider (Console): Upstream request failed: [404] No allowed providers are available for the selected model. Providers serving xiaomi/mimo-v2.5-20260422: gmicloud, deepinfra, xiaomi, parasail, streamlake, novita, but your request's provider.only preference permits only: tencent.kernelRedmi9a commentedon Aug 28, 2026
The same happened making a fork proyect (Debian Linux)
lukemooress commentedon Aug 28, 2026
same problem WSL 2 ubuntu
lukemooress commentedon Aug 28, 2026
cli OpenCode 1.18.25 working mimo 2.5 , but api key not working DSH
This turn failed400: {"type":"server_error","message":"Error from provider (Console Go): Upstream request failed: [404] No allowed providers are available for the selected model. Providers serving xiaomi/mimo-v2.5-20260422: gmicloud, deepinfra, xiaomi, parasail, streamlake, novita, but your request's provider.only preference permits only: tencent."}
MilkyWay008 commentedon Aug 30, 2026
That 400 is not on your side, the router pin is the giveaway. The error says the request carried provider.only: tencent but tencent is no longer in the serving list for xiaomi/mimo-v2.5-20260422, so the upstream rejects it before any model runs. Nothing in your config changed, this is a server-side routing change on Console Go. Quick unblock: switch to another model on opencode-go so the session keeps going (your local history stays put), and newer CLI versions handle this routing better. If you're on the desktop app try the CLI build, that combo reportedly works with mimo right now. Btw, I built a portable Hermes OTG and I run it on USB as my rescue agent, super handy doing quick diagnose & fix, check it, imo it'll help you. https://github.com/MilkyWay008/Hermes-OTG
Tarquinen commentedon Oct 20, 2026
Thanks for the report! This was a temporary problem with the model's upstream provider around the time it was reported, and there haven't been new reports here since. If you still see it on the latest OpenCode, please open a new issue with your version, model and the exact error. Closing this issue.
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