Benchmarks

pre-registered comparisons of deep research apis. task sets, provider configurations and judging protocols are frozen and published before any run, and every raw run is public.

DRB2-20aug 2026
Nine deep research APIs on a frozen 20-task subset of DeepResearch-Bench-II. Exa effort tiers against each other, then one flagship tier per provider.
20 tasks · 20 domains · 1,504 rubrics · 180 runs