BASECAMP BENCH

Summary from the TLDR Dev newsletter

Recent testing compared the performance of GPT-5.6 Sol, Fable 5, and Grok 4.5 in solving a complex software problem, showing Fable 5 as the top performer in both frontend and backend development, while Grok 4.5 did great in terms of speed and cost. The benchmark, Basecamp Bench, showed that Grok 4.5 completed tasks quickly but lacked polish, whereas Fable 5 closely aligned with the expected output but required more time and expense.