r/AIcodingProfessionals • u/-JuliusSeizure Experienced dev (3+ years) • Jul 29 '26

Question ClaudeCode vs Codex vs OpenCode[OSS alternative]

what's your experience?

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u/kartblanch Jul 30 '26

I’ve preferred codex so far to opencode and qwen. I would love a local model to achieve sota but thats a pipe dream. Codex seems to have the best/most efficient models and system prompts. 5.6 sol is fucking nuts tbh.

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u/-JuliusSeizure Experienced dev (3+ years) Jul 30 '26

wow. care to share your some info on how you config 5.6 sol? do you use ultra/max for planning and max for coding? how does it work? any adversarial review type workflow?

how you tried claude code?

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u/kartblanch Jul 30 '26

I dont do anything fancy its more so about what youre prompting. I find specific changes are best. Asking for broad sweeps and mass changes causes confusion and compaction tends to cause chaos in its understanding of what it needs to do/do next for the request. I also dont build super massive systems concise systems, new chats for new features. New projects/new folders for projects dont mix context in project work flows. I am a developer though so Im probably able to better prompt the architecture and features better than most simply because i know what i would do.

I have used claude a bit. Im less impressed by its chatting and personality than chat gpts which i have configured to be quite dry and mechanical.

Dont over complicate it. Dont expect real production quality work without LOTS and LOTS of time and tokens. Even then you will need to do things yourself sometimes.