Two of the world’s leading AI startups, OpenAI and Perplexity, this week launched their own AI‑powered web browsers in a direct challenge to Google Chrome’s two‑thirds share of the global market ...

Perplexity on Wednesday launched its in-house web browser, Comet. This artificial intelligence (AI) based browser is equipped with the company's search engine and many AI features. The most special ...

According to xAI, Grok 4 and Grok 4 Heavy outperform other popular models in several AI benchmarks, including OpenAI’s o3, ...