Claude Opus 5 Costs Half Of Anthropic's Flagship And Scores Higher

Anthropic released Claude Opus 5 on 24 July 2026 at $5 per million input tokens and $25 per million output tokens — half the price of its own Claude Fable 5 flagship, and unchanged from Claude Opus 4.8. Artificial Analysis scores Opus 5 at 61 on its Intelligence Index, one point above Fable 5 and two above OpenAI's GPT-5.6 Sol. The model carries a 1-million-token context window, a five-level effort ladder that defaults to adaptive, and a paid Fast mode at double the price for roughly 2.5 times t...

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