Mistral Medium 3.5

Mistral Medium 3.5 puts a 128B dense, multimodal, agentic-coding model on Hugging Face under a modified MIT license. Official 77.6% SWE-bench Verified, 256K context, and a $20M/month revenue carve-out that will not affect you. Here is the naming decoder, the honest benchmark picture, and the hardware it really takes.

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.