DeepSeek V4 Pro vs. Grok 4.6: How New LLMs Challenge Top Closed‑Source Models
The newly released DeepSeek V4 Pro and Elon Musk’s Grok 4.6 deliver performance and cost metrics that rival or surpass leading closed‑source LLMs, with DeepSeek achieving up to 29‑fold cheaper token output and top scores on Agent, CyberGym, AutomationBench, Terminal‑Bench, and professional legal benchmarks, while Grok 4.6 matches GPT‑5.6 on the AA Intelligence Index and leads in workplace knowledge tests.
