Both GPT-5.6 Sol and Fable 5 were asked to build a 3D Star Fox-style level with enemies, power-ups, and a boss battle.
The impressive part is that GPT-5.6 Sol can one-shot a working game from a simple prompt in about 10 minutes while being much cheaper to run: $5/M input and $30/M output, compared to Fable 5 at $10/M input and $50/M output.
At this level of capability, cost matters a lot.
Cc: @petergyang
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