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Fable 5 model is biggest step up since Opus 4.5, says Anthropic engineer

Boris Cherny avatar
Boris Cherny
@bcherny

Fable 5 is the biggest step up I’ve felt in our models since Opus 4.5 back in November. After 4.5 came out I uninstalled my IDE when I realized that I’d been doing 100% of my coding in a terminal for a few weeks. With Fable, it’s felt like Claude has stepped up from being a

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Jun 9, 7:35 PM