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Claude Opus 5 leads AI Index with strong coding and analysis, undercutting Fable 5 on cost

Anthropic's Claude Opus 5 has achieved the highest score on the AI Index, excelling in analytical quality and coding tasks. It also offers a significant cost advantage, being priced at up to half that of Fable 5 for lower reasoning tiers. Despite Claude Opus 5's leading performance, the competitive landscape at the top remains very close. AI

IMPACT Sets a new benchmark for AI performance and cost-effectiveness, potentially influencing pricing and development strategies for competitors.

RANK_REASON New benchmark performance data for an AI model. [lever_c_demoted from research: ic=1 ai=1.0]

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Claude Opus 5 leads AI Index with strong coding and analysis, undercutting Fable 5 on cost

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  1. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Claude Opus 5 tops the AI Index with 61 points, leading in analytical quality and coding, and costs up to half as much as Fable 5 at lower reasoning tiers. The

    Claude Opus 5 tops the AI Index with 61 points, leading in analytical quality and coding, and costs up to half as much as Fable 5 at lower reasoning tiers. The gap at the top is small. # AI # Automation Source: The Decoder AI https:// the-decoder.com/anthropics-cla ude-opus-5-cos…