#LMArena

A sealed aluminium test-set canister half-loaded into a locked reader console, its collar caught mid-turn, with a rack of isolated per-vendor query ports receding behind it

What Independent Evidence Actually Supports About Grok's Capabilities

xAI publishes a number, a rival's engineer disputes the method behind it, and an outside lab reruns the test months later. This article follows three documented rounds of that cycle to build a method for weighing any of them.

By Brecht Corbeel · August 23, 2026 · 16 min read

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