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Comment by whimsicalism

7 hours ago

why pi over opencode? earnestly curious, trying to figure out what open solution people are consolidating on. (codex is also pseudo-open but contributions closed and nice)

pi is the neovim of agentic harnesses, its barebones and extremely configurable. if you're the sort of person who likes that sort of things its a forever product, nothing is going to displace it because you have full control.

opencode builds a lot more in, which is better if you dont want to fiddle with config.

  • nice. i had thought the consensus had moved pretty firmly towards pi, so i was surprised to see Thinking Machines demoing their new model Inkling in OpenCode. wondering if they are previewing an acquisition

    • OpenCode is a good baseline for "open-source harness with most the stuff already configured an average person will need".

Most of my harness experience is with Claude Code and Pi, a little bit of OpenCode.

I like how quick and snappy Pi is, it feels like a minimal harness, just enough to manage the agent and get out of the way. Earlier models also seemed to have an easier time working with the tools, e.g. GPT-OSS-20B is about a year old and had no trouble in Pi.

Opencode gives you better defaults and a Mac/Windows app for free but pi is much more extensible and portable.