Excited to release PostTrainBench v1.0!

This benchmark evaluates the ability of frontier AI agents to post-train language models in a simplified setting.

We believe this is a first step toward tracking progress in recursive self-improvement 🧵: pic.twitter.com/ELymwJqVP1

— Karina Nguyen (@karinanguyen) 11 mars 2026

Excited to release PostTrainBench v1.0! This benchmark evaluates the ability of frontier AI agents to post-train language models in a simplified setting. We believe this is a first step toward tracking progress in recursive self-improvement 🧵:

→ View original post on X — @chipro, 2026-03-11 17:50 UTC