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 ...

There is a common problem for all AI companies for overfitting to benchmarks. XAI Grok 4 has some problems with prompt adherence. XAI could have had overfitting resulted from the reinforcement ...

What if the future of app development wasn’t just about coding skills but choosing the right AI collaborator? In a rapidly evolving tech landscape, the battle between AI models like Claude 4 and Grok ...

Grok 4.1 and GPT-5.2 are two of the best AI models on the market right now. Powering the latest versions of ChatGPT and Grok, they are designed to excel at writing, logic, research and creativity. But ...

Artificial intelligence large language models are being deployed more frequently in sensitive, public-facing roles, and sometimes they go very wrong. Recently Grok 4, the LLM developed by X.AI Corp.

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 ...

AI startup ran 15-day simulations with chatbots governing a virtual world to test impacts Claude’s simulation resulted in a stable, crime-free democratic society in the test environment Grok’s simulat ...

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.