Post · Benchmarks & research
Jev catches the Opus 5.5 effort drop
The default effort moved from high to medium, and agents without settings lost reasoning.
Open x.com ↗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 332 benchmarks & research projects →