AI Engineering

Jan 19, 2026 · Artificial Intelligence

How We Built a Self‑Evolving AI System Without Reward Functions

The Oxford study demonstrates that large language models can self‑evolve through a four‑step deploy‑validate‑filter‑inherit loop, eliminating handcrafted reward functions, and achieves dramatic performance gains on Blocksworld, Rovers, and Sokoban while providing theoretical proof of equivalence to REINFORCE.