# Artificial Analysis overhauls its Intelligence Index after GPT-6 Astra scoring drew skepticism

> Source: <https://the-decoder.com/artificial-analysis-overhauls-its-intelligence-index-after-gpt-6-astra-scoring-drew-skepticism/>
> Published: 2026-09-05 18:21:02+00:00

Artificial Analysis has released version 4.2 of its Intelligence Index, likely in response to criticism that its benchmarks failed to capture GPT-6 Astra's actual progress. Astra now scores four points above its predecessor but still trails Anthropic's Claude Fable 5.1.

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