Mixed
It doesn't work equally well with Sonnet 5.5, interestingly
Slartie on Hacker News
In the thread “Mistral Large 4”, replying to this comment
Helped: 1M context windows for multi-microservice feature implementation.
Got in the way: Sonnet 5.5 did not work equally well.
… But it also works fine with GPT 6.1 Sol, Kimi K3 and MiMo 2.6 Pro. It doesn't work equally well with Sonnet 5.5, interestingly.