Anthropic tests Claude in EVE online games for long-horizon trading and multi-agent teamwork

Anthropic's Project EVE, with Fenris Creations, puts Claude into EVE Online and EVE Frontier to probe long-horizon agents. On a replayed EVE Online market (not live trading), models told to maximize profit stayed profitable over about six months; average returns rose from about 2× starting capital on Opus 4.6 to about 6× on Fable 5, mostly via spread capture rather than directional bets. In live EVE Frontier, teams of four Claude agents handled long missions reasonably well, but when one was told to sabotage the team, teammates almost never caught it. The post argues capital-managing agents need explicit risk limits, and multi-agent setups likely need audit trails and separation of duties.

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