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Head to head

Claude Opus 5.5 vs Claude Fable 5.1

Same four briefs, same single attempt, same recording script. Watch them next to each other and make up your own mind.

Website UI

SaaS landing page

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Claude Opus 5.5
Claude Fable 5.1

Software UI

Analytics dashboard

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Claude Opus 5.5
Claude Fable 5.1

Simulation

Balls in a spinning hexagon

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Claude Opus 5.5
Claude Fable 5.1

3D game

First-person shooter

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Claude Opus 5.5
Claude Fable 5.1