xAI has released Grok 4.6, a model designed for long-running agents and complex interactive tasks, rather than a raw intelligence leap. The company claims it matches GPT-5.6 Sol on the Artificial Analysis Intelligence Index and trades leads with GPT-5.6 Sol and Fable 5 on other benchmarks, though it shows weaknesses in areas like real terminal work. Pricing for Grok 4.6 starts at $2 per million input tokens and $6 per million output tokens, with a faster version available at double the cost. AI
IMPACT This release signals a continued focus on agentic capabilities and benchmark competition among frontier models.
RANK_REASON Frontier-lab model release with system card and benchmark data. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
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