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Hugging Face blog shows learned memory tops the τ²-bench customer service leaderboard without a frontier model
IBM Research's ALTK-Evolve reportedly ranks first on τ²-bench customer service tasks using learned memory rather than a frontier model.
MIT researchers show Claude agents on a virtual island invent play-like activities
Copies of Claude Opus 4.7, nicknamed Eko, were stranded for 30 hours in a Roblox-inspired virtual island and invented games and drawings. The paper is a preprint not yet peer-reviewed, and researchers acknowledge the behavior could be role-playing.