FABLE 5 VS GPT-5.6 SOL: I SPENT $2,000 AND 2 BILLION TOKENS TO FIND OUT WHO WINS

Summary from the TLDR Dev newsletter

Fable 5, GPT-5.6 Sol, and GPT-5.5 one-shot the same three Expo apps from identical specs, with over 47 hours of build time. Fable 5 consistently provided the best code quality and UI, completing tasks faster and with less code than the other models. GPT-5.6 Sol was a “grinder,” doing well in problem-solving and automation tasks.