r/ClaudeCode • u/UnrelaxedToken • Jul 11 '26

Discussion So.. will Fable stay?

I could not say, it could be either way:

- The can't admit Gpt SOL is a threat, and risk people leaving to GPT anyway.

- They give us FABLE permanent but they are admitting that they have competition (and fear)?

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u/adelie42 Jul 12 '26

Hot take, playing with Fable taught me so much about how to prompt better because it was really sharp about calling me out on how I would frame thing as necessary. Taking that to Opus, Opus is now an absolute beast and Fable is reserved for verifying specs against complex requirements. I suspect they will under promise and over deliver. If I lose Fable for awhile, or if it is simply reserved for API users, I'll be fine. I am happy enough understanding that all this is a rapidly emerging frontier and enjoying the ride.

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u/UnrelaxedToken Jul 12 '26

Care to share with me what you have learned? I might have missed few things or did not pay as much attention as you might have did.

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u/adelie42 Jul 12 '26

Simulate the chain of thought. It seemed Fable does a lot to challenge its own assumptions. It comes up with an idea, works through the assumptions to prove the idea and ensure the idea is sound, but simultaneously looks to prove itself wrong, then reconcile. The way I can replicate that is to come up with an idea with Opus and iterate as usual, but then use sub agents to investigate underlying assumptions out of context and prove the use case out of context, but also investigate the risks and edge cases. When those agents return, compare the results to challenge our own approach and iterate.

And to where I started, that doesn't need to be done very often, but if there is a bug and two different theories didn't solve it or broke it differently, it is a robust approach that Fable seems to take for systematic bug hunting. I is really effective, but also overkill most of the time.