Artificial Analysis@ArtificialAnlys · XxAI推出Grok 4.3模型，其在Artificial Analysis智能指数得分达53，超越Muse Spark等模型，较前代提升4分。模型在显著降低成本的同时保持智能水平，输入与输出价格分别降低约40%和60%。在真实世界智能体任务上表现突出，GDPval-AA基准得分大幅提升至1500 ELO，超越Gemini 3.1 Pro Preview等多款模型，但仍落后于GPT-5.5 (xhigh)。其在指令遵循和客服任务上表现强劲，但AA-Omniscience非幻觉率略有下降。
xAI has launched Grok 4.3， achieving 53 on the Artificial Analysis Intelligence Index with improved agentic performance， ~40% lower input price， and ~60% lower output price than Grok 4.20
The release of Grok 4.3 places @xAI just above Muse Spark and Claude Sonnet 4.6 on the Intelligence Index， and a 4 points ahead of the latest version of Grok 4.20. Grok 4.3 improves its Artificial Analysis Intelligence Index score while reducing cost to run the benchmark suite.
Key Takeaways：
➤ Grok 4.3 improves on cost-per-intelligence relative to Grok 4.20 0309 v2： it scores higher on the Intelligence Index while costing less to run the full benchmark suite. Grok 4.3 costs $395 to run the Artificial Analysis Intelligence Index， around 20% lower than Grok 4.20 0309 v2， despite using more output tokens. This makes it one of the lower-cost models at its intelligence level