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Large Language Models
1d ago

Anthropic launches Claude Fable 5.2 and Mythos 5.2 models at lower prices than OpenAI’s GPT-6 Astra

Nov 9, 2026
AI Summary

Anthropic has introduced its new AI models, Claude Fable 5.2 and Mythos 5.2, which are priced 20% lower than OpenAI's GPT-6 Astra. These models aim to enhance performance and attract customers amid a competitive landscape, particularly as Anthropic prepares for its IPO.

Anthropic launches Claude Fable 5.2 and Mythos 5.2 models at lower prices than OpenAI’s GPT-6 Astra
  • Anthropic launched Claude Fable 5.2 and Mythos 5.2, targeting OpenAI's GPT-6 Astra released in September.
  • The new models are priced 20% lower than Astra, with costs of $8/input token and $40/output token, compared to $10 and $50 for GPT-6 Astra. For large document prompts, the cost is 80% lower.
  • Pre-release testing showed that the models achieved significant results, including solving complex problems in software migration and theoretical physics.
  • Anthropic claims its models outperform competitors in coding evaluations and are particularly effective for ambitious technical tasks.
  • The company is also focusing on cybersecurity, claiming its models identified bugs that other models missed.
  • Claude Fable 5.2 is available on major cloud platforms, while Mythos 5.2 is accessible to select cybersecurity and life sciences professionals.
  • The launch is crucial for Anthropic as it seeks to boost revenue growth ahead of its IPO, following a recent slowdown.
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