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Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilities

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Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilities

TL;DR

  • Anthropic released its newest model, Opus 5, with enhanced cybersecurity safeguards.
  • Opus 5's capabilities are described as close to those of Fable 5, especially in complex coding tasks.
  • The model has undergone independent testing by government partners.
  • Pricing for Opus 5 is the same as its predecessor and cheaper than Fable 5 and OpenAI's GPT-5.6.
  • New features include a 'Fast mode' for increased speed and an option for automatic fallbacks to lower-tier models when safeguards are triggered.
  • Opus 5 is marketed towards enterprise customers for knowledge work and biology, while Fable 5 remains for more ambitious projects.