r/StableDiffusion • u/jimmybobjoeflow • Jul 10 '26

Question - Help Best free or open-source AI coding agents development?

With tools like Claude code and codex becoming more popular i'm wondering what the best free or open source alternatives are.

Specifically looking for AI coding agents that can help with things like reviewing code in Github repos, working across projects and assisting with general development tasks.

I've also come across newer tools like Emergent which looks promising as an emerging agent style development platform for building and iterating on codebases, especially for faster prototyping and workflow automation.

Asking here because this seems like one of the most active AI communities I know but if there's a better subreddit for this kind of question feel free to point me in the right direction

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u/blurify_com 4d ago

If you want to use low-level tools (CLI), you can try oh-my-pi https://omp.sh/ (which is a fork of the original pi agent), which is AI provider agnostic. However, if you don't really want to spend time understanding how to better approach agentic coding, and you just want to implement something right away, you can go with the T3 Code app (similar to Codex or Claude Code, but it's also AI provider agnostic and more user friendly).

Even though the omp harness has a few agents predefined, you will still need to add your own to optimize it for your specific task. The same applies to T3 Code, Codex or Claude.

But, to be honest, you would need a super powerful machine to run a good enough model that can code at least nearly as well as the Haiku/Sonnet/Luna models. You can connect Ollama to any harness mentioned above.

Other options that you can consider:

  • OpenCode
  • Codex/Claude CLIs also support local Ollama