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OpenCode – Open source AI coding agent
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Re: OpenCode – Open source AI coding agent
#592This replaced Aider for me a couple months back. I use it with Qwen 3.5 running locally when my daily limits run out on my other subscriptions. The harness is great. Local models are just slow enough that the subscription models are easier to use. For most of my tasks these days, the model's capability is sufficient; it is just not as snappy.
One thing I like with Aider is the fact that I can control the context by using /add explicitly on a subset of files. Can you achieve the same wit OpenCode ?
Yes, using at @ sign; CC and Codex use this too.
Re: OpenCode – Open source AI coding agent
#593Earlier quoted context omitted.
OpenAI agreeing to operate as Trump's secret police materially impacts your security as a European, though, because it cements Trump's power.
Again, though, both of them agreed to that. Anthropic just didn't want to spy on Americans.
You can argue a moral equivalence, I guess, but on a practical level, OpenAI's decision is more dangerous for everyone, because it will help to secure Trump as a dictator.
Re: OpenCode – Open source AI coding agent
#594OpenCode was the first open source agent I used, and my main workhorse after experimenting briefly with Claude Code and realizing the potential of agentic coding. Due to that, and because it's a popular an open source alternative, I want to be able to recommend it and be enthusiastic about it. The problem for me is that the development practices of the people that are working on it are suboptimal at best; they're con…
> and (partly as a result) it's fairly resource inefficient (often uses 1GB of RAM or more. For a TUI). That's (one of the reasons) why I'm favoring Codex over Claude Code. Claude Code is an... Electron app (for a TUI? WTH?) and Codex is Rust. The difference is tangible: the former feels sluggish and does some odd redrawing when the terminal size changes, while the latter definitely feels more snappy to me (leaving a…
On the 100% cpu issue, I’m curious to know, what is the processor and was it performing any other cpu intensive work?
Re: OpenCode – Open source AI coding agent
#595[dead]
Re: OpenCode – Open source AI coding agent
#596OpenCode was the first open source agent I used, and my main workhorse after experimenting briefly with Claude Code and realizing the potential of agentic coding. Due to that, and because it's a popular an open source alternative, I want to be able to recommend it and be enthusiastic about it. The problem for me is that the development practices of the people that are working on it are suboptimal at best; they're con…
Highly recommend trying pi.dev
It's fully open, fairly minimal, very extensible and (while getting very frequent updates) never has broken on me so far.
Been using it more and more in the last two months, switching more and more from codex to it now.
Re: OpenCode – Open source AI coding agent
#597I've used it but recently moved back to plain claude code. We use claude at the company and weirdly the experience has become less and less productive using opencode. I'm a bit sad about it as it was the first experience that really clicked and got great results out of. I'm actually curious if Anthropic knows which client is used and if they negatively influence the experience on purpose. It's very difficult to prove…
I think Anthropic just highly RL’s their model to work best with it’s Claude Code’s particular ways of going about things.
All the background capability Claude code now has makes things way more complex and I saw a meaningful improvement with 4.6 versus 4.5, so imagine other harnesses will take time to catch up.
Re: OpenCode – Open source AI coding agent
#598Earlier quoted context omitted.
I'd suggest Go ahead of Rust. It's more accessible to contributors.
I think Go might be a better choice but not for that reason at all. Go could implement something like this with no dependencies outside the standard library. It would make sense to take on a few, but a comparable Rust project would have at least several dozens. Also, Go can deliver a single binary that works on every Linux distribution right out of the box. In Rust, its possible but you have to static compile with mu…
Most of, if not every commit of claude code is now written by claude code itself without any human writing code, only promoting.
Re: OpenCode – Open source AI coding agent
#599Earlier quoted context omitted.
Even then, you still need to read that code and Rust is way less read friendly than Go.
I have the impression that most vibe coders don't read code. I guess they would probably use something accessible to them, just in case.
Successful vibe coders read code.
Re: OpenCode – Open source AI coding agent
#600Earlier quoted context omitted.
> and (partly as a result) it's fairly resource inefficient (often uses 1GB of RAM or more. For a TUI). That's (one of the reasons) why I'm favoring Codex over Claude Code. Claude Code is an... Electron app (for a TUI? WTH?) and Codex is Rust. The difference is tangible: the former feels sluggish and does some odd redrawing when the terminal size changes, while the latter definitely feels more snappy to me (leaving a…
Anthropic needs to spend some tokens rewriting Claude Code in Rust (yes, really). The difference in feel between Codex and Claude Code is obvious. The whole thing is vibed anyway, I'm sure they could get it done in a week or two for their quality standards.
Java (incl. Scala, Closure, Groovy, Jython, etc.) is better suited to running as a server. Let agents write clean readable code and leave performance concerns to the JIT compiler. If you really want you can let agents rewrite components at runtime without losing context.
Erlang would offer similar benefits, because what we're doing with these things is more message passing than processing.
Rust is what I'd want agents writing for edge devices, things I don't want to have to monitor. Granted, our devices are edge devices to Anthropic, but they're more tightly coupled to their services.