Machine Heart

May 1, 2026 · Artificial Intelligence

API‑Only Probes Reveal GPT, Claude, Gemini Parameter Counts – Community Buzz

A new arXiv paper introduces Incompressible Knowledge Probes that estimate large language model sizes via black‑box API calls, fitting a log‑linear relation on 89 open‑source models and producing controversial parameter estimates for GPT‑5.5, Claude Opus, Gemini and others, sparking heated community debate.