Numbers that have to survive scrutiny: a FLOPs estimate with no search allowed, LBO sensitivity ranges, a memo with an actual thesis.
4 challenges20 models
20 models tested across 4 data analysis 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 86.3/100. Drawn from Rival's open dataset of 21,000+ human preference votes.
Rival's Pick#13 Rival IndexAnthropic 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