GPT-6 vs Claude 5.5 vs Gemini 3.8 Flash / Gemini 4 Argon: Urshilaku Burial Caverns #MorrowindBench

Six AI models, one destination: the Urshilaku Burial Caverns in Morrowind. GPT-6 Astra, GPT-6.1 Sol, Claude Opus 5.5, Claude Sonnet 5.5, Gemini 3.8 Flash, and Gemini 4 Argon attempt the same navigation challenge from same starting point. This is not pure mouse + keyboard test. All models use AstraBridge agent interface to operate in Morrowind (see comment for link). 00:00 Introduction 00:52 Gemini 3.8 Flash 05:07 Sonnet 5.5 12:58 Opus 5.5 16:15 GPT-6.1 Sol 18:25 GPT-6 Astra 19:37 Gemini 4 Argon