DeepSeek releases DeepSeek Harness under the MIT license in developer preview, touting a design where "every capability is a plugin" that can be swapped out (Carl Franzen/VentureBeat)
DeepSeek is expanding beyond the model layer and deeper into the software developers use to put AI agents to work.
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- DeepSeek Harness launches as open source rival to Claude Code, alongside V4-Pro on API with higher prices venturebeat.com
- Auto mode is now Claude Code's default: what the classifier approves, and how to switch back dev.to
- DeepSeek open sources an agent harness where everything is a plugin thenewstack.io
- Anthropic details multiagent experiments showing Claude agents can wage a "turf war" over incompatible goals, fail to coordinate, collude on prices, and more (Rebecca Bellan/TechCrunch) techcrunch.com
- Launch of DeepSeek’s Harness marks its strategic pivot towards autonomous agentic AI scmp.com
