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 ...

Artificial Intelligence (AI) is becoming an integral part of daily life, including everyday calculations. But how well do these systems actually handle basic math? And how much should users trust them ...

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.

Developer and entrepreneur David Ondrej demonstrates Grok 4, xAI’s latest AI mode. It outperforms competitors like OpenAI, Anthropic, Meta, and Google on benchmarks such as GPQA (Google-proof ...

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 ...

Elon Musk's xAI company has launched its newest AI model, Grok 4. During the livestream, Musk showed off the latest Grok ...

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 ...

What if the future of AI could not only dream up stunning web designs but also code them into reality with unmatched precision? In this overview, Universe of AI explores how Grok 4.2, codenamed ...

Elon Musk's frontier generative AI startup xAI formally opened developer access to its Grok 4.1 Fast models last night and introduced a new Agent Tools API—but the technical milestones were ...

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.