Artificial Analysis launches Intelligence Index v5; Claude Opus 5.5 (max) leads at 58
Artificial Analysis has launched Intelligence Index v5, featuring 2 new benchmarks and 3 upgrades, including new coding and science benchmarks. For the first time, the majority of the Index is built on private datasets. Claude Opus 5.5 (max) leads at 58.
Artificial Analysis has launched Intelligence Index v5, and Claude Opus 5.5 (max) leads the new ranking with a score of 58, according to the company's announcement on X (@artificialanlys).
What changed in v5
Artificial Analysis says v5 features 2 new benchmarks and 3 upgrades. The new benchmarks cover coding and science. The company also says that, for the first time, the majority of the Index is built on private datasets.
The Intelligence Index is Artificial Analysis's composite measure of model capabilities.
Leaderboard
- Claude Opus 5.5 (max): 58, first place on the v5 Index
What this means
The move to private datasets for most of the Index changes what the composite measures: scores now rest mainly on test content that is not publicly available. The 58 for Claude Opus 5.5 (max) is a v5 score, produced under the updated benchmark mix, and should be read as such.
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