Poolside drops Laguna S 2.1, an open-weight coding model that beats rivals 10x its size

Poolside released Laguna S 2.1, a 118B-parameter sparse coding model that beats rivals 10x its size on benchmarks while running on minimal inference compute. The company shipped it in under nine weeks as an open-weight alternative to Chinese models, positioning sparse architecture as the cost-efficient path for enterprise AI agents.

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