Moonshot AI launches Kimi K3, an open-weight model with 2.8T parameters

Kimi K3 features 2.8 trillion parameters and a 1 million token context, with Kimi Delta Attention enabling up to 6.3x faster decoding. On Perplexity's DRACO benchmark, K3 scored 71.6 mean and 77% pass rate, outperforming GLM 5.2.