CalibratedDecisions.

Repo · Benchmarks & research

Jeeves (PostHog)

PostHog’s open 9B Jev-like decision model with chain-of-thought before noul/choice/score answers and a Jev-compatible API.

Open github.com ↗

From the repository

Jeeves – Reasoning improves Jev-like decision models

How builders describe it

PostHog's reasoning Jev-style classifier with a diffusion drafter, reporting higher accuracy than Kev-9B and hosted Jev on held-out and JevBench tiers.

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 →

Related projects