TechExclusive: Paying for frontier AI models buys a four-month lead at five times the cost

A Mozilla report says the gap between US frontier AI models and the best Chinese open-weight systems has narrowed to 4.4 months. It argues that most organizations should default to cheaper open models, while closed models justify their premium mainly for expert professional work, intensive retrieval, and long-context tasks.

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AArs Technica★★☆☆☆2026-09-15 12:00Original