Machine Heart

Aug 10, 2026 · Artificial Intelligence

OpenAI’s ‘mona-lisa-1’ Image Model Spotted on Arena – What the Tests Reveal

A mysterious image‑generation model called mona‑lisa‑1 appeared on the Arena platform, prompting users to compare it with GPT Image 2, uncovering improved texture and reduced "plastic" skin but also lingering noise, outdated knowledge, and occasional text artifacts.