Post · Benchmarks & research
1,565 emails, six decision models
Perplexity v1.1 came out best overall, OpenAI was the fastest.
Open x.com ↗I put OpenAI’s new Decisions API through the same 1,565-email benchmark I’ve been running on Jev, Perplexity and Clef.
6 models from 4 companies now.
Perplexity v1.1 came out best overall 🚀
OpenAI was the fastest⏱️
But the confidence behavior is still the most interesting

The decision Jev makes
Benchmark questions with known answers, to check accuracy and confidence.
Where it fits
Head-to-head tests, calibration studies and independent research into how well Jev decides, how fast, and at what cost. All 682 benchmarks & research projects →