Unverified50% confidenceFactExact time
Fable 5在规划阶段生成的计划长度是Opus 4.8版本的两倍以上，但在结构性和可读性上被测试者认为不如Opus 4.8的版本
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Claude Fable 5实测：Token翻倍值不值？Rust编程对比Opus 4.8
bilibili四月的尾巴_6/13/2026
Related Claims
UnverifiedFable 5在电商网站测试中输出Token为58.8万，而Opus 4.8输出Token为489.8万，Fable 5的Token使用量约为Opus 4.8的12%68% similarUnverifiedFable 5 dominated Opus 4.8 in nearly every dimension across three highly demanding coding projects65% similarUnverifiedOpus 5在AI Omniscience测试拿了31分，避免瞎编的能力优于Opus 4.863% similarUnverifiedSonnet 4.6与Opus 4.6相比，在大多数基准测试中表现几乎持平，但推理速度更快、调用成本更低61% similarUnverified实测者建议对于绝大多数任务继续使用Opus 4.8以获得更好效果，认为Sonnet 5令人失望61% similar
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