1,565-email benchmark: cheapest Perplexity/Cloudflare decision model is also most accurate

michellechen · x · 2026-10-02

Perplexity and Cloudflare released new decision models, and the author benchmarked them against Jev on the same 1,565 business emails as before: 6,260 calls, 10 categories, 4 models. The cheapest model was also the most accurate at roughly $0.06 per 1,000 emails. Notably, Clef performs far better than its own confidence scores suggest — at 75% confidence it was right 98% of the time. Full benchmark data is public.

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