A crazy jump. The price of the tokens will be worth it to a vast number of enterprises.
10:56 AM · Jun 9, 2026 · 11.1K Views
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Users are excited about Claude Fable 5 topping the APEX-SWE benchmark because the 20pp gain over Opus delivers substantial value for real enterprise software engineering tasks.
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haro@harobuilds
@natolambert 20pp over opus 4.8 is not a marginal improvement. enterprises will pay whatever anthropic asks for that gap on real swe tasks
3hViews 31Likes 1
china232332@gigantictur
@natolambert https://x.com/mercor_ai/status/2064399136007589994?s=20 Is it just trained for tool cool better , but the way it definitley reviews code is very AGI/neuralese pilled
3hViews 25