| DeepSeek | A leading Chinese AI lab behind the open DeepSeek-V3 and DeepSeek-R1 models, strong at reasoning and code. |
| Zhipu | The Tsinghua-backed maker of the GLM family (ChatGLM), covering chat, code and multimodal models. |
| Moonshot AI | Makers of the Kimi assistant, known for very long-context models and long-document processing. |
| StepFun | A Shanghai AI company offering the Step family of language, vision and speech models. |
| ByteDance | ByteDance's Doubao models on Volcano Engine, spanning chat, image and video generation. |