XAI Grok 4.20 is a Big Improvement Practical coding, Simulations and Real World Agentic Tasks
by Brian Wang from NextBigFuture.com on (#73NW8)
Elon Musk confirmed to me, Brian Wang, that the current beta model is the ~500B parameter base model. Overall early consensus from testers, it beats or matches frontier models (GPT-5, Claude 4/Opus 4.5, Gemini 3) in practical coding, simulations, iterative work, and real-world agentic tasks. XAI Grok 4.20 will scale to 16 agents in Heavy ...