Tencent Releases and Open-Sources Tencent Hy4 preview
Summary
Tencent releases and open-sources Hy4 preview, a 770B-parameter LLM with a context window exceeding 1M tokens. The model is open-source and accessible via multiple Tencent products, with two weeks of free access on WorkBuddy/CodeBuddy and extended Hy3 access; internal evaluations show competitive performance and a notable 31.8% throughput uplift in inference. Pricing is disclosed for API usage and caching, and a next Hy4 batch is expected soon.