Key Info

Anthropic introduced Claude Fable 5.2 and Claude Mythos 5.2, which share the same underlying model but differ in safeguards. Fable 5.2 is now available on all paid plans, the Claude Platform, and major cloud platforms at $8 per million input tokens and $40 per million output tokens, down from $10 and $50.

Highlights

  • Both models show improvements in coding, reasoning, and vision.
  • Fable includes strong safeguards against misuse.
  • Mythos is accessible to organizations in cybersecurity or biomedical research through Anthropic's Life Sciences and Cyber Verification Programs.
  • Pricing reduced to $8/$40 per million input/output tokens.