A new OmniCalculator report finds xAI’s Grok 4.2 outperforming both Claude and ChatGPT in logic and problem-solving, cutting answer instability to nearly half of legacy models. Claude 4.6 still leads ...

Elon Musk-owned xAI is testing Grok 4.20, a new model update to Grok 4, which already competes with GPT-5 in some benchmarks, such as ARC-AGI 2. GPT-5 is one of the best models for coding, and it ...

New benchmarks from OmniCalculator show Grok 4.2 outperforming rivals in logic and problem-solving, while Claude 4.6 excels in writing quality and tone. ChatGPT remains the most popular AI chatbot ...

A Mathematician with early access to XAI Grok 4.20, found a new Bellman function for one of the problems he had been working on with my student N. Alpay. Not an Erdős problem, but original research.

Elon Musk’s xAI Holdings Corp. has debuted a new large language model, Grok 4, that’s optimized for reasoning tasks such as generating code. The LLM’s late Wednesday launch followed a turbulent week ...

Is Grok 4.2 the most intelligent coding model we’ve seen yet? With its release in January 2026, this AI powerhouse has already sparked conversations across the tech world. In this comparison, World of ...

Forbes contributors publish independent expert analyses and insights. Dr. Gerui Wang writes about AI, society, media, and culture. Grok 4’s focus on enhancing reasoning, including domain-specific ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Dany Lepage discusses the architectural ...

With all the AI news coming out each week, some of the more significant advancements can be hard to track. Grok 4 Fast is streamlined version of xAI's flagship Grok 4 model released back in July 2025.

On Wednesday night, Elon Musk unveiled xAI’s latest flagship models Grok 4 and Grok 4 Heavy via livestream, just one day after the company’s Grok chatbot began generating outputs that featured ...