Grok 4.3 Review: xAI's Always-On Reasoning Model Analysed
xAI's Grok 4.3 lands with always-on reasoning, a 1-million-token context window, and some of the most aggressive per-token pricing in its class — but how does it hold up against OpenAI and Anthropic? We break down the benchmarks, real-world performance, and who it's actually built for.