kalomaze slams Anthropic over 'invisible nontransparent harness' in evals

kalomaze · x · 2026-11-14

Well-known open-source developer kalomaze publicly criticized Anthropic for what he calls "invisible nontransparent harness bullshit" in its model evaluations — a direct jab at the opacity of how frontier labs run their benchmarks, which undermines reproducibility and comparability of results.

Related event: Developer slams Claude's invisible sub-calls and opaque eval harness(4 posts)→

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