Same prompt, $24 vs $642: Fable 5.2 High vs Ultra effort tiers put to the test

socialwithaayan · x · 2026-11-10

A developer ran the same "iceberg" prompt on Claude Fable 5.2 at different effort tiers: High cost $24.31 in 1h05m, Extra High $43.79, Max $87.99, and Ultra a whopping $642.42 over 10h21m — a 26x price gap.

Quality difference: High forgot the aurora; Ultra made the ice glow and dove underwater. The author's verdict question: "Is it 26x better?" A useful data point for anyone weighing agent effort-tier pricing.

Original post →

More from Models

Models channel →