Knowledge base
What do you want to understand?
Honest, current writing about AI software: the coding tools and agents people build with, the models you can run yourself, and the ideas underneath them. No sign-up. No upsell halfway through an article.
New · The Physea Wiki Want the full picture? Learn how AI actually works, bottom-up. A plain-language, well-cited wiki: foundations, models, prompting, agents, and running AI yourself. Words and diagrams, no hype.
AI Coding Tools
The tools and agents people build with, what they are, which ones lead, how they compare.
All ai coding tools →- What is an AI harness, and why does it matter more than the model?
- What are the best AI coding harnesses in 2026?
- What are the best free and open-source AI coding agents in 2026?
- Claude Code vs Cursor: which AI coding tool should you choose?
- CLI vs IDE vs cloud AI agents: which kind of harness is right for you?
AI Models
Frontier and local models in plain language: what they cost, what runs on your hardware.
All ai models →Agents, MCP & Orchestration
What an agent is, how tools and MCP work, and how to make them reliable.
All agents, mcp & orchestration →Local & Private AI
Run AI on your own machine: the privacy thesis and the hardware math.
All local & private ai →AI Safety & Privacy
Honest, neutral answers to what people are actually scared about.
All ai safety & privacy →- Articles coming soon.
- Articles coming soon.