Pi

Everything Fervor AI has published that touches Pi — 2 pieces, newest first.

• Briefing · October 2, 2026 · morning

  On October 1 the agent harness itself became the thing that ships, as Claude Code opened its tool-call path to in-process plugin code, Pi went 1.0 alongside an…

• HarnessTax Says Your Coding Agent Harness Costs 2x for 2 Points, and the Bill Starts on the First Call

  Harness choice is a cost decision that has been sold as a feature decision, and HarnessTax shows the cheapest place to measure it is the size of the very first model…