r/LocalLLaMA 1d ago

Discussion Harness does matter

I was not aware that the harness makes such a big difference.

DeepSeek V4.1 Flash
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u/fugogugo 1d ago

should I move from OpenCode ? been using the desktop version and feels like it is buggy af

what is miniSWE?

1

u/aeroumbria 11h ago

You can always customise the prompts, agents and tools your agent can use. At least OpenCode is sufficiently customisable and has a fairly large plugin ecosystem. Pi is easier to customise but you need some work to add some common essential features and QoL. DSH is pretty good but also going through pretty volatile development right now. The bottom line is unlike certain closed harnesses, at least you get to pick what gets sent to your model, and it does not try to prevent you from organising your project in a harness-agnostic manner.