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Claude Opus 5.5 scores 58 on Intelligence Index, doubling median for reasoning models

By PulseAugur Editorial · [1 sources] ·

Claude Opus 5.5 has achieved a score of 58 on Artificial Analysis's Intelligence Index, significantly outperforming the median score of 26 for comparable reasoning models. This indicates a substantial leap in its reasoning capabilities. AI

IMPACT Sets a new benchmark for reasoning capabilities, potentially influencing future model development and evaluations.

RANK_REASON The item reports on a benchmark score for an AI model, which falls under research. [lever_c_demoted from research: ic=1 ai=1.0]

Read on Mastodon — mastodon.social →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Opus 5.5 scores 58 on Intelligence Index, doubling median for reasoning models

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3 / 100
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Tool
The item reports on a benchmark score for an AI model, which falls under research. [lever_c_demoted from research: ic=1 ai=1.0]
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Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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model release
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High
Clearly on-topic for AI-industry coverage.
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Breaking (< 6h)
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COVERAGE [1]

  1. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Claude Opus 5.5 scores 58 on Artificial Analysis's Intelligence Index, more than double the median of 26 for comparable reasoning models. That is the figure tha

    Claude Opus 5.5 scores 58 on Artificial Analysis's Intelligence Index, more than double the median of 26 for comparable reasoning models. That is the figure that gets quoted. It also tells you the least about what the model costs to run. The same evaluation run that produced the …

    LINKS dev.to/…/the-benchmark-score-is-the-numbe…

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