10:42
2026-07-21
juliahub.com
artificial-intelligence
GPT-5.6 vs. Claude Fable 5 for Physical AI, which performs best?
JuliaHub's Dyad AI agent harness tested OpenAI's GPT 5.6 family (terra, sol, luna) against Anthropic's claude-fable-5 on five sealed physical modeling problems, grading 52 runs against ground truth. Gā¦