Moonshot AI launches Kimi K3: 2.8T parameter open-weight model

Kimi K3 has 2.8 trillion parameters, 1 million context, and native multimodal capabilities, with Kimi Delta Attention enabling up to 6.3x faster decoding. It ranks near Claude Fable on benchmarks and is competitive with Opus 4.8 and GPT-5 on intelligence index.