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Anthropic releases Claude Fable 5.2 and Mythos 5.2 models ahead of IPO

CNBC reports Anthropic released two new models that the company says run 30% faster and cost 20% less, as its IPO nears.

The short version

  • Anthropic released Claude Fable 5.2 and Claude Mythos 5.2 on Monday, according to CNBC.[CNBC]
  • The company says the models generate outputs 30% faster and cost 20% less than the 5.1 generation.[CNBC]
  • Dianne Penn, Anthropic's head of product management for research, says the company called for pacing rather than pausing.[CNBC]
  • The release comes as Anthropic targets a $1 trillion to $1.5 trillion valuation in its offering, according to CNBC reporting.[CNBC]

Key facts

  • Anthropic released Claude Fable 5.2 and Claude Mythos 5.2 on Monday.[CNBC]
  • Anthropic says Fable 5.2 and Mythos 5.2 generate outputs 30% faster than their predecessors.[CNBC]
  • Anthropic says the models cost 20% less than the 5.1 generation and will be priced at $8 per million input tokens and $40 per million output tokens.[CNBC]
  • Anthropic's amended prospectus states $33.24 billion in revenue for the nine months ended Sept. 30, up roughly 1,200% from the same period last year.[CNBC]
  • Anthropic is aiming for a $1 trillion to $1.5 trillion valuation in its offering, down from a $2 trillion target floated in recent months.[CNBC]
  • Dianne Penn, Anthropic's head of product management for research, said the company called for pacing, not pausing, in an interview with CNBC.[CNBC]

What remains uncertain

  • The speed, cost and pricing figures are Anthropic's own statements and are not independently verified in the reporting.[CNBC]
  • The IPO timing and valuation are targets; the report says the IPO could take place as soon as next week.[CNBC]
  • Anthropic's pacing-not-pausing characterization of its earlier slowdown call is the company's own framing.[CNBC]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.