28 October 2026
Artificial Analysis's new v5 index ranks closed AI models above open ones
First reported
Interconnects ran this on .
- Artificial Analysis released a new version of its Intelligence Index, called v5.
- The v5 index places closed (proprietary) AI models ahead of the best open-weight model.
- The newsletter Interconnects argues the old index flattered open models, while their decline is overstated.
Our read
Only Interconnects, of the 30 newsletters tracked, covered this story. It is the first in our archive on the open versus closed model thread, which previously surfaced in our 2026-10-25 story on attackers mixing closed and open AI models in cyberattacks.
Earlier on this story
Written by Newskeryx from which newsletters covered this story and from our own archive.
How it was covered
InterconnectsNathan Lambert
The AA v5 index weighting, open vs closed model gaps, benchmaxxing, private benchmarks, and the difficulty of single-number evaluation