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Comment on GPT-5.6 vs. Claude Fable 5 for Physical AI, which performs best?

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So Fable "won" but it cost $124.76 for marginal performance benefits over the $22.56 5.6 Sol run.

I'm finding a happy middle ground using Fable to proof work other models have done.

Anthropic's guardrails still make it garbage. But eventualy it will leak.

I just spent 50% of my weekly Sol Ultra on a $100 plan to purge Claude worktrees on something that may have tripped Fable guardrails.

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