This model is 22 months old. The same company has since released something newer: Tencent Hy4 Preview (2026-08-28). The details below are still accurate for this model — it just is not what we would recommend today.
Hunyuan-Large
Tencent🇨🇳 China
Tencent's 389B total / 52B active open-source MoE, the largest open Transformer-based MoE at release.
Context window262K tokens