LongCat-2.0

Meituan open-sourced LongCat-2.0: 1.6T parameters, about 48B active, native 1M context, MIT license. It spent two months anonymously topping OpenRouter agent leaderboards as Owl Alpha, and Meituan says it was trained entirely on domestic Chinese chips. Here are the numbers and their asterisks.

Qwen 3.6

Alibaba's Qwen 3.6 ships an open dense 27B that beats the old 397B flagship on coding and fits a 24GB GPU, under Apache 2.0. But the new flagship, Qwen3.6-Max, is closed. What you can download, and how to run it.

MisoTTS

Miso Labs' MisoTTS is an 8B open voice model that clones a speaker from ten seconds of audio, runs on a 24GB GPU, and ships under a license you can build a product on. English-only and unverified on quality, but genuinely open.