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Benchmark Released to Measure LLM Agent Collaboration Ability

·2026.07.15 00:37

Key point

ALem-World, a new benchmark evaluating LLM agents' long-term collaboration ability, has been released.

Details

A new benchmark called ALem-World has been announced, evaluating whether LLM agents can collaborate in long-term, open-ended environments. This benchmark provides an environment in which agents must work together on exploration, communication, resource trading, tool crafting, building structures, and combat with mobs.

Key research findings are as follows:

  • Low collaboration performance: Most agents struggled with collaboration, recording an average normalised return of around 6%.
  • Gemini 1.5 Pro's performance: In the most difficult setting, Gemini 1.5 Pro (Zero-shot) performed on par with an optimal MARL (Multi-Agent Reinforcement Learning) agent trained through 1 billion steps of environment learning.
  • Importance of communication: Experiments confirmed that the main bottleneck in collaboration lies not simply in task execution ability but in communication between agents, with communication capability having the greatest impact on collaboration efficiency.

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