Claude Opus 5 ranks first in latest Artificial Analysis Intelligence Index

Jul 24, 2026

AI Summary

Claude Opus 5 (Adaptive Reasoning, Max Effort) has achieved the highest score of 61 in the Artificial Analysis Intelligence Index, which evaluates 170 AI models. The index assesses various dimensions including intelligence, pricing, output speed, and reasoning capabilities.

The Artificial Analysis Intelligence Index v4.1 evaluates models based on multiple criteria, including reasoning, coding, and knowledge reliability.
Claude Opus 5 leads the index, followed closely by other models such as Claude Opus 5 (Xhigh Effort) and GPT-5.6 Sol.
Mercury 2 is noted as the fastest model, processing 820.7 tokens per second, while Nova Micro offers the lowest cost at $0.03 per million tokens.
The index also highlights the performance of open weights models, with GLM-5.2 (max) scoring 51, making it the highest-ranked in that category.
Performance metrics are derived from standardized prompts across 586 models, comparing aspects like output speed and latency.

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Claude Opus 5 ranks first in latest Artificial Analysis Intelligence Index

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