XAI continues to apply updates and fixes to Grok 4.1. Google Gemini 3 Pro is slowly slipping on the realtime ratings on lmarena for text. It is down from the low 1505-1510 level to 1495. Grok 4.1 thinking is holding at 1481. It is only a 1% or 14 point ELO gap. XAI Grok 4.1 …
XAI just released Grok 4.1 Fast. It is fast model that is leading AI agent ranking. It has real-time X data, web browsing, and code tools. Elon Musk says Grok 4.20 should release by Xmas. It will upgrade top benchmarks where Grok 4.1 Fast scored perfectly in agentic tool use and beat rivals like GPT-5 …
An AI model on OpenRouter is called Sonoma Sky Alpha is likely a preview of XAI Grok 4.2. It highlights xAI’s rapid progress in compute power, model diversity, and specialized applications like coding and reasoning. Key Technical Features Sonoma Sky Alpha features a 2 million token context window, which is double that of competitors like …
Grok 4 had lower lmarena scores than I had projected based upon the amount AI training compute used. I had projections for Grok 3.5 which was renamed Grok 4. We do not have elo lmarena score for Grok 4 heavy. My old projection had assumed what will now be called Grok 5 was called Grok …