Benjamin Ou is a benchmarking researcher at Epoch AI, exploring how challenging games can be used to evaluate AI capabilities. He previously worked at a private startup designing CPU pipelines for optimized floating-point units. He has a BA in physics and computer science from UC Berkeley.

Frontier models show no improvement across 30 playthroughs of the board game Earthborne Rangers, scoring far below expert humans. Epoch AI's EBR-bench probes whether AI can learn on the fly.