Classic macOS windows, a Pokemon battle screen, a Super Mario question block. Rebuilt from memory in one self-contained HTML file.
3 challenges20 models
20 models tested across 3 nostalgia challenges.Composite score: 30% Rival Index, 20% task coverage, 20% challenge-scoped duel performance, 15% recency, 15% tier. Deduplicated by product line. Claude Fable 5 leads at 89.0/100. Drawn from Rival's open dataset of 21,000+ human preference votes.
Rival's Pick#7 Rival IndexGoogle flagship
Too close to callComposite scores combine task evidence, Rival Index, recency, and model tier. Rival’s Pick is a separate editorial recommendation. How ranking works