DeepSeek builds a team to challenge Anthropic's Claude Code

DeepSeek is no longer keeping its agent ambitions quiet. The Hangzhou-based lab has opened an official social media account for a new "DeepSeek Harness Team" and posted job listings for roles aimed at building AI agents that can take on products like Anthropic's Claude Code. The account sits on WeChat, the Chinese super-app run by Tencent. Corporate records reviewed by Bloomberg show the account belongs to a Beijing-based entity controlled by DeepSeek, and Tencent has verified it. "Harness"

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DeepSeek builds a team to challenge Anthropic's Claude Code

DeepSeek is no longer keeping its agent ambitions quiet. The Hangzhou-based lab has opened an official social media account for a new "DeepSeek Harness Team" and posted job listings for roles aimed at building AI agents that can take on products like Anthropic's Claude Code.

DeepSeek positions open weights as a lower-cost path to agentic products

The account sits on WeChat, the Chinese super-app run by Tencent. Corporate records reviewed by Bloomberg show the account belongs to a Beijing-based entity controlled by DeepSeek, and Tencent has verified it. "Harness" is the term for the software scaffolding wrapped around a large language model that lets agents handle more complex, multi-step work. Anthropic and others have built harnesses to make their coding tools more capable; DeepSeek is now staffing up to do the same.

One posting says the company is trying to turn its models into "cutting-edge agentic products." The hiring push follows a separate move late Wednesday, when DeepSeek updated its flagship V4 Pro model with stronger agentic capabilities, according to an announcement in its official WeChat channel.

The signal is clear: the competition in AI agents is moving from raw model benchmarks to the tooling layer around the model. Claude Code set the commercial template for coding agents, and DeepSeek is positioning its open models as a lower-cost alternative for that same job.

For Anthropic, the challenge arrives from two directions at once. Its models are the target DeepSeek wants to match, while its pricing is the gap DeepSeek is built to undercut. The harness team is how DeepSeek plans to close both at once.

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