News

Anthropic launches Claude Fable 5.1 and says it’s up to 45 percent cheaper for agentic work

  • Stevie Bonifield--The Verge
  • published date: 2026-09-01 22:01:36 UTC

Anthropic says its newest AI models, Fable 5.1 and Mythos 5.1, address criticisms from customers about price, data retention, and overzealous safeguards. The company claims Claude Fable 5.1 offers stronger performance than Fable 5, but costs around 25 percent…

<ul><li></li><li></li><li></li></ul> Mythos 5.1 is also launching in Project Glasswing. Mythos 5.1 is also launching in Project Glasswing. by Stevie BonifieldClose Posts from this author will be… [+2644 chars]