GreenPT
GreenPT announced (August 2026) that the Caveman output-compression ruleset, created by open-source builder Julius Brussee, is now available through the GreenPT API as part of its coding-model lineup. Caveman works at the language level rather than the model level: it instructs the agent to compress prose while preserv The blog frames Caveman as a response to the cost and energy overhead of verbose AI coding agents, noting that GPT-5-class models can cost $10–$15 per million output tokens and that each output token carries a hidden compute and electricity cost. By cutting wrapper prose without altering meaning, Caveman aims to make e