US EditionMusk's xAI Launches Grok 4.1 with Lower Hallucination Rate on the Web and Apps
Grok 4.1 offers up to 3 times fewer hallucinations and leads LMArena’s Text Arena leaderboard with a 40+ point score increase, improving user experience and speed.
- Earlier this month, Elon Musk-owned xAI rolled out Grok 4.1 after November 1–14, 2025 subset testing, with 64.78% blind pairwise live-traffic preference, now on grok.com, x.com, and apps.
- XAI built Grok 4.1 to reduce hallucinations from 12% to about 4%, using reasoning tokens for step-by-step responses and faster direct replies.
- LMArena shows Grok 4.1 Thinking scored 1,510 and 1,483, with a 40+ point gain over Grok4Fast two months ago.
- Free-Tier users can test Grok 4.1 instantly via a grok.com popup offering five model options, four free, while paying customers face fewer limits.
- Rivals include OpenAI's GPT 5.1, which recently shipped improvements, and Google's Gemini 3 soon, while xAI plans Grok 5 in Q1 2026 with double the parameters.
28 Articles
28 Articles
Musk's xAI launches Grok 4.1 with lower hallucination rate on the web and apps
In what appeared to be a bid to soak up some of Google's limelight prior to the launch of its new Gemini 3 flagship AI model — now recorded as the most powerful LLM in the world by multiple independent evaluators — Elon Musk's rival AI startup xAI last night unveiled its newest large language model, Grok 4.1.The model is now live for consumer use on Grok.com, social network X (formerly Twitter), and the company’s iOS and Android mobile apps, and…
The latest version of Grok, 4.1, has just been launched with a series of significant new features. This update clearly aims to compete with ChatGPT, enriching its capabilities and providing an improved user experience.
Elon Musk’s xAI Unveils Grok 4.1 – Faster, More Emotionally Aware and Less Prone to Hallucinations
Highlights xAI rolls out Grok 4.1, which is claimed to be faster, more emotionally aware and excels in creative, collaborative interactions. It topped LMArena’s Text Leaderboard and EQ-Bench3 for emotional intelligence, showing a witty, slightly mischievous personality. The new Grok model is now live across platforms via the model picker. Caption – xAI rolls out […] The post Elon Musk’s xAI Unveils Grok 4.1 – Faster, More Emotionally Aware and L…
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