5 Nov 2026

Tencent Hy4: new flagship model adds vision and computer use

Tencent released Hy4 on Nov 4, 2026, its first Hy model with visual understanding and computer use across command-line and graphical interfaces. Tencent says its hallucination rate fell from 12.95% in Hy4 Preview to 7.2% in internal tests, pricing stays at about $0.90/$2.70 per million input/output tokens, and open weights and system cards arrive in the coming days.