
Grok 4.20 Non-Hallucination rate improved to even higher than previous highest Just days ago, it hit a record-breaking 78% Non-Hallucination Rate - already #1 in the world, smoking Claude Opus 4.6 (max), Gemini 3.1, GPT-5.4 (xhigh), and every other major model Now, it just pushed that number even higher to 83% While every other AI confidently makes up stuff and fabricate answers it doesn't know - Grok simply says "I don't know"

























