DeepSeek, the Chinese AI lab behind the DeepSeek V3 and R1 models, is reportedly building a new Harness team focused on coding agent products, directly rivaling Anthropic's Claude Code, according to sources close to the company.

DeepSeek is forming a new Harness team to build coding agent products.

Open roles in Beijing and comments from senior researcher Chen Deli suggest the effort is underway.

The move would be DeepSeek’s first dedicated push into developer tools.

It positions the company to compete more directly with Anthropic’s Claude Code in a fast-growing market.