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Pi 1.0
Today we are shipping Pi 1.0, a hardened, minimal, extensible agent harness, alongside Pi Durable, a new experimental substrate for long-running agentic applications.
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Systems & Performance 7Software Engineering 7Databases & Data 1AI & Machine Learning 1
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The session you cannot take with you
Inference APIs are filling sessions with encrypted reasoning, hidden search results, opaque compaction, and encrypted subagent messages. A growing form of lock-in.
3
You said no MCP
Pi now supports MCP. Why we changed our minds, what changed in MCP and in Pi, and what Codemode is.
4
What Is a Harness?
An agent harness is a piece of software that provides an environment for an AI model to operate within.
5
Pi's Minimalism Is Its Advantage
How Pi's minimal harness improves coding-agent cost and performance, with examples from Databricks and Shopify's pi-autoresearch extension.
6
Pi Durable
Pi Durable is a new experimental package for long-running, durable, and malleable agents that can run anywhere. A tour of what we built and why.
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Measuring the sloppiness of code
Exploring how to measure code sloppiness, why correct code can still erode a codebase, and why human intuition and taste still matter.
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How Compaction Works in Pi
Why compaction is needed for large language models and how Pi implements it