Anthropic has released its new Mythos Class1 model, Fable 5, which is reportedly well-received for its quality. The model is priced at $10 per 1 million input tokens and $50 per 1 million output tokens, making it significantly more expensive than OpenAI's GPT-5.5. Fable 5 also appears to generate more tokens per request and has a usage limit that can be reached within approximately 50 minutes on its highest plan. AI
IMPACT Sets a new high-end pricing tier for advanced AI models, potentially segmenting the market.
RANK_REASON New model release from a frontier lab (Anthropic). [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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