Users report Fable one-shots 2D game graphics from text sim, but some question its reasoning depth

On July 13, 2026, Reddit users shared impressions of Fable, a new frontier model. One user reported that Fable 'one-shotted the graphics' when asked to turn a text-based AI D&D world simulator into a 2D game, a task that previous frontier models could not do without significant steering. The user was impressed enough to consider building the game for real. In contrast, another user running a long continuity thread for daily life and budget management found that Fable 'completely fumbles the numbers and loses context over time,' even when history is explicitly passed forward. They noted that Sonnet on Max 'absolutely nails this workflow' by remembering old details and anticipating next steps, while Opus 4.8 'rapid fires' and catches things better than Fable but lacks extended thinking. These contrasting reports highlight Fable's strength in creative generation but weakness in sustained reasoning tasks.