Grok 4.6 Nearly Matches Claude Fable 5 on Agentic Benchmark at a Fraction of the Cost
ArtificialAnlys · x · 2026-08-13
On Artificial Analysis' AA-Briefcase agentic knowledge work benchmark, xAI's Grok 4.6 made significant gains, scoring neck and neck with Anthropic's Claude Fable 5.
The benchmark evaluates models on long-horizon agentic tasks. Notably, Grok 4.6 delivers a cost per task of just $4.42, substantially cheaper than Claude Fable 5 ($22.30) and Claude Opus 5 ($17.79), demonstrating an impressive intelligence-per-dollar ratio.
Related event: xAI Releases Grok 4.6 with Top Performance and Same Pricing(92 posts)→
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