Can Local LLMs Replace Opus and Codex? I Tested a MacBook, an RTX 5080, a DGX Spark and Cheap Chinese Models

Automated excerpt

The same small banking repo with hidden traps, run through cloud models, local models on three machines, and cheap Chinese models on OpenRouter. The same solution with the same misses, only this time pi updated the traitor test. The same run without a limit: 987 seconds, 0.92: all subtle conditions, the traitor test updated, its own tests catch 7 fixes out of 9.

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