Xiuyu Li
@sheriyuo
Researcher @StepFun_ai | Working on long-horizon tasks | Prev @RUC1937 | Opinions are my own
Joined February 2026
1.9K Following 14.6K Followers
"Hy4 preview 是 Hy4 迭代的一个早期版本，预训练和后训练均仍有较大的提升空间，也有一些已知问题，如复杂任务的长思考和过度自我验证倾向，我们将持续敏捷迭代"
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