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Currently experiencing halted and slow inference in OpenCode Go #34667
Both Mimo V2.5 and DeepSeek V4 Flash in OpenCode Go stops their thinking blocks halfway, or simply does not output a thinking block and stops entirely. Basically halting.
Aside from that, generation is very sloppy, like very slow and pauses halfway.
Posting it here as others might have experienced the same thing at this very moment.
If your issue is the same, consider adding a thumbs-up or comment there instead. If it's distinct (e.g. specific to the models you mentioned or a recent regression), feel free to keep this open and clarify the difference.
Same issue — consistent slowness through Hermes Agent
I'm experiencing the same slowness with MiMo V2.5 through OpenCode Go, though my symptoms are slightly different from the halting issue — I get consistent 2-4.5 second latency per request rather than complete halts.
Setup:
Client: Hermes Agent (not OpenCode CLI)
Model: mimo-v2.5 via OpenCode Go
Region: US
Speed test results (July 15, 2026):
Run 1: 2.2s, 35 tokens (14 reasoning)
Run 2: 2.3s, 31 tokens (15 reasoning)
Run 3: 4.5s, 50 tokens (49 reasoning)
The hidden reasoning tokens (~15-49 per request) add overhead that cannot be disabled through the Go endpoint, even with thinking: {"type": "disabled"} in extra_body.
For comparison, MiMo V2.5 direct from Xiaomi's API runs at 85 t/s. Through OpenCode Go it's effectively 10-20 t/s after proxy overhead.
This is not just a CLI issue — it affects any OpenAI-compatible client hitting the Go endpoint.
Activity
github-actions commentedon Jun 30, 2026
This issue might be a duplicate of existing issues. Please check:
If your issue is the same, consider adding a thumbs-up or comment there instead. If it's distinct (e.g. specific to the models you mentioned or a recent regression), feel free to keep this open and clarify the difference.
raymelon commentedon Jul 5, 2026
Same issue again. Just now. Same model. MiMo V2.5 with internal server errors, and once it pushes through, cache is busted at 0.
GusBot69 commentedon Jul 15, 2026
Same issue — consistent slowness through Hermes Agent
I'm experiencing the same slowness with MiMo V2.5 through OpenCode Go, though my symptoms are slightly different from the halting issue — I get consistent 2-4.5 second latency per request rather than complete halts.
Setup:
Speed test results (July 15, 2026):
The hidden reasoning tokens (~15-49 per request) add overhead that cannot be disabled through the Go endpoint, even with
thinking: {"type": "disabled"}in extra_body.For comparison, MiMo V2.5 direct from Xiaomi's API runs at 85 t/s. Through OpenCode Go it's effectively 10-20 t/s after proxy overhead.
This is not just a CLI issue — it affects any OpenAI-compatible client hitting the Go endpoint.
github-actions commentedon Sep 14, 2026
To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.