StepFun competitors — companies like StepFun in China AI Labs

DeepSeek is a Hangzhou AI lab spun out of the High-Flyer quant fund, known for the low-cost open-weight DeepSeek-V3 and R1 models.

MiniMax is a Shanghai-based foundation-model lab behind the ABAB language models and the Hailuo video and audio generators.

Moonshot AI is a Beijing foundation-model lab behind the Kimi chatbot and the open-weight Kimi K2 model family.

Zhipu AI is a Tsinghua-incubated Chinese large-model developer behind the GLM family and the Z.ai platform.