Claude has showcased its exceptional prowess in the realm of AI programming. In the most recent MirrorCode rankings, Claude Fable 5 emerged as the champion, boasting an impressive absolute success rate of 64%. Trailing not far behind is GPT-5.6 Sol, which managed to secure a score that is merely one-third of that achieved by Claude Fable 5. The fourth-placed GPT-5.5 fared even more poorly, registering a mere 10% success rate, a performance that falls short even when compared to its forerunner, GPT-5.4.