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[ARTICLE · art-17056] src=bsky.app pub= topic=artificial-intelligence verified=true sentiment=↑ positive

Gemini 3.5 Flash beats Opus 4.8 on bluffbench

Simon P. Couch re-ran the Bluffbench evaluation against Opus 4.8, Gemini 3.5 Flash, and GPT 5.5. Gemini 3.5 Flash outperformed Opus 4.8, which showed only a modest improvement over previous Opus models. The results position Gemini 3.5 Flash as the standout model in the latest benchmark comparison.

read1 min publishedMay 29, 2026

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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/ [contains quote post or other embedded content]

2026-05-28T19:41:06.976Z

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bsky.app — original article
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