Grok 4 Launches with Unmatched AI Power: Inside the Models Redefining Reasoning & Context

Here’s a concise, conversational recap of the Grok 4 announcement—no rambling, just the highlights you need. What’s New in Grok 4 Two Fresh Models Grok 4 (standard) Grok 4 Heavy (punishingly powerful) Both are reasoning-only—the older non‑reasoning variants are gone. Record‑Shattering Benchmarks ARC‑AGI‑2 (PhD‑level exam; humans can’t pass): Grok 4 with tools: 44% O3 with tools: 24% Claude Opus 4’s score roughly half of Grok 4’s AIME (international math‑olympiad qualifier): 100% Massive Context Window 256 000 tokens (up from 200 k in O3 & Sonnet 4) Still smaller than GPT 4.1 & Gemini’s 1 000 000 tokens Better‑Than‑Ever Voice Mode Latency markedly improved over ChatGPT Advanced voice New Subscription Tier $300/mo standalone plan …