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

This story is from 2026-09-01. It is preserved in the archive; the latest stories are on the live feed.

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 less typically and up to 45 percent les…

Read the full story at The Verge AI ↗

Timeline · 2 reports

  1. 2026-09-01 22:01 · The Verge AI
    Anthropic launches Claude Fable 5.1 and says it's up to 45 percent cheaper for agentic work
  2. 2026-09-01 20:32 · The Decoder
    Anthropic's Claude Fable 5.1 promises better coding and research at up to 45 percent less

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