GPT-6 Astra tops GDP.pdf benchmark at 33.2%, beating Claude Fable 5.1

ArtificialAnlys · x · 2026-09-05

Artificial Analysis published full GDP.pdf results: OpenAI's GPT-6 Astra leads at 33.2%, followed by GPT-5.6 Sol at 28.2%, with Anthropic's Claude Fable 5.1 at 26.2%.

Created by @HelloSurgeAI, GDP.pdf evaluates single-turn professional document reasoning across 100 PDFs in ten domains. Models must synthesize evidence spread across 4,592 pages—text, tables, charts, footnotes and exclusions—with responses graded against 1,275 expert criteria.

Related event: Artificial Analysis Releases Intelligence Index v4.2; GPT-6 Astra Tops GDP.pdf Benchmark(6 posts)→

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