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Moonshot AI releases Kimi K3 open weights and infrastructure after shaking up the frontier model race

Technology · en

Moonshot AI releases Kimi K3 open weights and infrastructure after shaking up the frontier model race

The Decoder · Jul 27, 2026, 7:35 PM UTC

Moonshot AI has released Kimi K3's model weights and made parts of its infrastructure open source. The Chinese model nearly matches Western frontier models such as Fable 5 and GPT-5.6 Sol on popular benchmarks, but independent tests found major gaps in cyber and math performance, possibly pointing to distillation.…