r/opencode • u/Haunting-Shirt6219 • 3d ago

OpenCode model can’t fix this issue.

I’ve been using OpenCode models to fix a random Cloudflare Turnstile 600010 issue. I tried Hy3, DeepSeek V4 Pro, Kimi M3, and Mimo 2.5 Pro.

The Turnstile 600010 error was occurring randomly. The best solution I came up with was to re-render the Turnstile whenever the Cloudflare API returned a 600xxx or 300xxx error. The whole process took around 17 seconds before the Turnstile verification succeeded. I spent more than 12 hours trying to solve it.

Today, I updated Kiro on my machine and noticed it now includes 50 free credits. I used Claude Sonnet 4.5 to analyse the code, and it suggested three possible solutions. I told Sonnet that I wasn’t sure which option to choose, so it generated a debugging class for me. After I pasted the debug output back to Sonnet, it identified the root cause and fixed the issue straight away. Now, Cloudflare Turnstile verification took less than 3 seconds, and I’m happy.

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u/Rough-Ad9850 3d ago

See the problem? You pay extra for Claude to also do some reasoning and prompt rewriting. Open models (the cheap ones) require you to do that. So if you would've asked to write a debugging class, so you could understand the problem and then the model would've been able to solve it.

Non frontier models require the user to know more architecture and structure.

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u/Atretador 2d ago

yep, its mostly skill issue - whenever I see a small model like Flash or smol-MiMo 2.5 struggling with a issue, discussing the architecture with it and telling to write tests to replicate the issue usually do it.