FrontierThe story, in brief

Anthropic releases Opus 5.5 with lower prices and Fable-level performance

Anthropic's Opus 5.5 matches Fable-level performance at a fraction of the cost.

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The KeyNews take

Why it matters

A new flagship model from a frontier lab claims best-in-class performance while undercutting rivals on price—a capability + economics shift that reshapes the competitive landscape and forces practitioners to re-evaluate their model strategies.

The key facts

5 to know
  1. Anthropic releases Opus 5.5

  2. Claims 'strongest-performing model we've tested to date'

  3. Matches Fable-level performance

  4. Lower pricing than previous generation

  5. Released September 22, 2026

Go to the source

TechCrunch AItechcrunch.com

Publisher excerpt: Anthropic called it "the strongest-performing model we've tested to date."
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