Grok 4.3 vs DeepSeek V4 Pro Comprehensive Comparison: 8 Dimensions to Help You Choose Between the Two New Large Language Models
In April 2026, two major models were released almost simultaneously: DeepSeek V4 Pro (April 24) and Grok 4.3 (April 30). On one side, we have a 1.6T parameter MoE architecture with an MIT open-source license and an 80.6% score on SWE-bench; on the other, a closed-source powerhouse featuring native video input and top-tier long-chain agent…
