Benchmark shows Opus 5 Max burns 3x tokens with minimal gain over Medium
PMinervini · x · 2026-08-27
PMinervini highlights findings from a benchmark pairing local LLMs with agent harnesses across 16 software engineering tasks. The results indicate that Opus 5 Max consumes roughly three times as many tokens as Opus 5 Medium without significant performance improvements, making it approximately 3x more expensive for comparable results. The benchmark spans Python, PyTorch, JAX, C, C++, Rust, and SQL in a sandboxed environment.
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