policy
fact
bullish
Tencent Hunyuan released Hy4-preview, a 770B/49B active, 1M-context open model that immediately looked competitive on coding and SWE-style evals.
Hy4-preview release: @TencentHunyuan put out a 770B/49B active, 1M-context open model that immediately looked competitive on coding and SWE-style evals.
swyx & Alessio01 Sept 2026