LLM & Text Generation2 min reading time
Introducing Hy4 Preview
Simon Willison's Weblog
Read full postTencent has released Hy4 Preview, a large language model with 770 billion parameters and a 1 million token context window, significantly larger than its predecessor Hy3. The model supports two reasoning effort levels and is available on Hugging Face with 1.56TB size.


