"If you haven't been living under a rock, you will have noticed this week that a project of my friend Peter went viral on the internet. It went by many names. The most recent one is OpenClaw but in the news you might have encountered it as ClawdBot or MoltBot depending on when you read about it. It is an agent connected to a communication channel of your choice that just runs code."
"What you might be less familiar with is that what's under the hood of OpenClaw is a little coding agent called Pi. And Pi happens to be, at this point, the coding agent that I use almost exclusively. Over the last few weeks I became more and more of a shill for the little agent. After I gave a talk on this recently, I realized that I did not actually write about Pi on this blog yet,"
"Pi is written by Mario Zechner and unlike Peter, who aims for "sci-fi with a touch of madness," Mario is very grounded. Despite the differences in approach, both OpenClaw and Pi follow the same idea: LLMs are really good at writing and running code, so embrace this. In some ways I think that's not an accident because Peter got me and Mario hooked on this idea, and agents last year."
OpenClaw appeared virally under names like ClawdBot and MoltBot and acts as an agent linked to a chosen communication channel that runs code. Underneath OpenClaw is Pi, a small coding agent written by Mario Zechner. Pi is notable for a very short system prompt and a minimal core, offering a grounded, practical approach. Many coding agents now enable agentic programming, and examples like AMP show focus on usability. Pi’s strengths lie in minimalism and effectiveness at letting LLMs write and execute code within agentic workflows.
Read at Armin Ronacher's Thoughts and Writings
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