DeepSeek finally isn’t just racing to build better models: What Harness really wants to steal is the “AI work entry point”
On August 13, DeepSeek Harness opened a developer preview and released its source code. The name sounds very technical—one-sentence translation: previously, DeepSeek mainly focused on “using its brain,” while Harness starts taking responsibility for equipping AI with hands and feet and a toolbox.
It can combine capabilities such as models, tools, skills, sandboxes, storage, and task orchestration. In other words, AI is no longer just answering “how to write code,” but is beginning to move toward “reading files, calling tools, executing tasks, and completing workflows” on its own.
That’s more worth watching than simply re-ranking model leaderboards again.
In the past, AI companies competed over: whose model is smarter.
Now, Claude Code, Codex, and DeepSeek Harness are competing in a way that’s increasingly like: who can truly take over the user’s workflow.
This is also why I’m paying more and more attention to agents. Model capability is of course important, but once everyone can ultimately reach an 80–90 score, the real differentiator may become: who can call more tools, connect more data, complete longer tasks, and make fewer mistakes.
The next round of AI competition might not be “who can chat best,” but who can actually do the work for you.
#DeepSeek #AI #deepseek推出harness代码智能体公测