Grok 4.6 Hits 61 on Intelligence Index, Tying GPT-5.6 and Joining the Frontier
aman_madaan · x · 2026-08-13
According to the Artificial Analysis Intelligence Index, xAI's newly released Grok 4.6 scores 61, joining the frontier of LLMs. It ties with OpenAI's GPT-5.6 Sol, sitting just behind Anthropic's Claude Opus 5 (63) and Claude Fable 5 (62), and slightly ahead of Kimi K3.
Grok 4.6 represents a rapid 5-point improvement over Grok 4.5, which was released just over a month ago. At the same price point as its predecessor, the new model demonstrates standout agentic performance at a lower cost.
Related event: Grok 4.6 Tops Agentic Benchmarks with High Performance and Cost-Efficiency(5 posts)→
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