You can build a full Agentic OS for $0.
Here's the 3-step system: Step 1: Pick a free harness. DeepSeek Harness, Hermes Agent, or OpenCode. All free. All open source. Step 2: Plug in a free model. Type "free" in OpenRouter and pick from dozens. Ling 3.0 Flash. Nemotron. LFM
DeepSeek Harness just made serious AI SEO tools free for everyone.
The pro harnesses were closed boxes. Claude Code. Codex. Sealed systems. DeepSeek flipped that. Everything inside is a plugin. Even the core loop. But the killer feature is trajectory view: You see every step
DeepSeek V4.1 Flash is really a surprise!
Three words to describe it: fast! good! Province! I want to see if DeepSeek’s Flash picture understanding + front-end coding can work. So I found a visually complex future fashion official website as a reference, letting it understand the page structure first, and then use the front end to restore the page.
What you must know about Pi using DeepSeek🔥
Pi must clearly define the input type when docking the model. The default is only text type. If you need to support image multi-modality, you need to configure the image type input. Modification method: "input": ["text", "image"] I found out today after I changed my computer and configured it with the official DeepSeek V4.1 Flash. I was just lazy and asked him to copy the V4 configuration file. But…
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