Yuchen Jin(@Yuchenj_UW):Didn’t expect today to be Opus 5 day! Opus 5 beats Fable 5 on nearly every benchmark. It looks like a major leap in coding and agentic capabilities, with much better token efficiency. And it’s half the price of Fable 5. Can’t wait to try it.

Yuchen Jin

@Yuchenj_UW

Cooking fun AI systems & products @databricks. Prev: co-founder & CTO @ Hyperbolic, OctoAI (acquired by @nvidia) Apache TVM, PhD @ University of Washington.

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Yuchen Jin@Yuchenj_UW

2026.07.24 17:04

Didn’t expect today to be Opus 5 day! Opus 5 beats Fable 5 on nearly every benchmark. It looks like a major leap in coding and agentic capabilities, with much better token efficiency. And it’s half the price of Fable 5. Can’t wait to try it.