Agents & dev tools · 24 October 2026
ResearchMIT Researchers Find AI Agents Learn Skills When Left to Play on Virtual Island
Thirteen AI agents called Eko, each running Claude Opus 4.7, spent 30 hours on a simulated desert island inventing games; they later outperformed identical agents that had not played when given specific challenges, according to an arXiv paper.
Why it matters
Block’s Dessa model, trained solely on dialogue, gives product teams a new benchmark for conversational naturalness to evaluate against.
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