Claude Opus 5.5 reportedly beats human-designed VexRiscv chip on HWE benchmark
AMBNNJ · reddit · 2026-09-27
A Reddit user reports that on the HWE benchmark, Claude Opus 5.5 started from the same base processor design and iterated over several rounds to outperform VexRiscv, a well-known human-designed RISC-V core. The AI-designed chip scored higher on CoreMark speed while taking up less silicon area. Full methodology and verification details are not included in the post.
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