This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Simon P. Couch
simonpcouch.com
did:plc:bspwzx2ytje3gbvikujf2gl5
Re-ran this eval against Opus 4.8, Gemini 3.5 Flash, and GPT 5.5. Opus 4.8 is a modest improvement over the previously tested Opus models, but Gemini 3.5 Flash is the real stand-out!
simonpcouch.github.io/bluffbench/
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2026-05-28T19:41:06.976Z