Anthropic Launches Claude Fable 5.1 With Up to 45% Lower Cost for Agentic Tasks

Anthropic has released two new AI models, Claude Fable 5.1 and Mythos 5.1, targeting longstanding customer complaints around pricing, data retention, and overly restrictive safeguards. The company says Fable 5.1 delivers better performance than its predecessor while costing roughly 25 percent less on average. Savings of up to 45 percent are possible for complex agentic tasks, driven largely by reduced pricing on cached, pre-processed data. Early users have responded positively, with Every CEO Dan Shipper describing it as the strongest and most token-efficient coding model his team has used.
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