AI 导读
Anthropic 发布 Claude Fable 5.1 与 Claude Mythos 5.1，称其为面向编码和知识工作的模型。Elvis Saravia 认为 Fable 5.1 更易用、有望成为日常主力，在高度智能体化任务上成本约降低 45%、典型工作负载约降低 25%，并改善 token 效率与写作表现，而 Opus 5 对多数任务仍够用。
正文
Fable 5.1 looks like a more usable model.
And a potential daily-driver. Time will tell.
IMO, Opus 5 is probably still good enough for most tasks, while Fable 5.1 a more sophisticated coordinator amd verifier.
The bigger and more exciting parts of Fable 5.1 are:
- reduces cost by ~45% on highly agentic ones
- reduces cost by ~25% on typical workloads
- great for scientific reserch workflows
- improved token-efficiency
- better writer/prose
We’re introducing Claude Fable 5.1 and Claude Mythos 5.1. They're the world’s most advanced models for coding and knowledge work. https://t.co/8P9PSrWPi3在 X 查看被引用的帖子
来源：@omarsar0 · x.com