Tencent has released the Hy3 preview, available for free on openrouter (tencent/hy3-preview:free). This is the first flagship model since Yao Shunyu joined, featuring an MoE (Mixture of Experts, multiple small expert networks activated as needed) architecture, with a total of 295 billion parameters and 21 billion activated parameters. The model parameters are roughly similar to qwen3.6plus and minimax 2.7.