Hy4

Tencent released a preview of Hy4, a mixture-of-experts model with 49B active parameters out of 770B total, designed for coding agents, complex tool-use workflows, and multi-step productivity tasks. T…

Tencent Holdings' Hy4 preview model scored 64.3 on the DeepSWE benchmark, surpassing Alibaba's Qwen-3.8 Max at 56.6 and DeepSeek-V4 Pro at 62.7, and ranked eighth globally on Code Arena's WebDev leade…

Tencent released Hy4 preview on August 28, a 770B parameter open-weight model under Apache 2.0, with only 49B active parameters per token and a 1 million token context window, targeting software engin…