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#Agent S4

2 stories · 2 in 7 days · 2 in 30 days
OSWorld 2开源模型 2Simular 1智能体 1界面进化 1计算机操作智能体 1
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10月21日
PapersBuildersSelected22:35
Simular's Agent S4 evolves agent interfaces to boost OSWorld scores

Automated interface design shifts the bottleneck in computer-use agents from model quality to environment design, letting a small open model beat frontier systems on cost-adjusted performance. Builders of agent pipelines can apply the same trajectory-driven tool synthesis and population-based selection pattern to their own harnesses. The open-source release makes the method directly reproducible without proprietary APIs.

#Agent S4#Simular#OSWorld#agents
Event
DAIR.AI@dair_ai2 sourcesSource
PapersBuildersMulti-sourceSelected74°10:11
Agent S4 Evolves Its Own Computer-Use Interfaces

Interface design itself becomes a learnable, evolving capability, meaning smaller open models can beat frontier systems on computer-use tasks at a fraction of the cost. Builders working on agents can reuse the open-source repository and apply the evolution loop to their own workflows. The results set a concrete cost-performance benchmark against GPT-5.5 and Claude Opus 4.8 that teams choosing an agent stack can weigh directly.

#Agent S4#Qwen3.8-27B#computer-use agents#open-source models
Event
arXiv cs.AI@Saaket Agashe et al. (8)3 sourcesSource