DeepRSI benchmark gives AI agents 48 hours to improve real ML research tasks

Hillclimb's 15 tasks are scored by private held-out verifiers; Claude Fable 5.1 leads at 1548 Elo ahead of GPT-6 Astra at 1232.

Hillclimb's 15 tasks are scored by private held-out verifiers; Claude Fable 5.1 leads at 1548 Elo ahead of GPT-6 Astra at 1232.