Hy4

Hunyuan (Hy4) is Tencent's flagship multimodal large language model platform, offering a 770B-parameter mixture-of-experts architecture with vision, computer-use, coding, and long-document reasoning capabilities across a 1M-token context window. It spans a full ecosystem of specialized models including text generation, image creation, video synthesis, 3D asset generation, voice, translation, and embedding APIs. The platform integrates deeply with Tencent's product suite (WeChat, QQ, Tencent Cloud, WorkBuddy, CodeBuddy) and is accessible via Tencent Cloud's TokenHub, OpenRouter, and direct API. Pricing is competitive, with Hy4 at $0.834/M input tokens and lighter tiers like Hunyuan TurboS starting at $0.11/M input tokens.