Anthropic’s new Opus 5.5 beats Fable 5.1 on AAII at ~2.5x lower cost.
This is a AI post classified by Jev as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.
Anthropic’s new Opus 5.5 beats Fable 5.1 on AAII at ~2.5x lower cost. An hour later OpenAI releases GPT-6 Sol and Luna, both at half price of 5.6 predecessors. This is an unprecedented jump in performance and drop in price for frontier intelligence.
Posted by Cline (79.6k followers) 1 h ago · 75 likes · 2.5k views · view the original post on X. Kept by the AI Radar as Frontier models.
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