Comet by Perplexity Just Landed. And It’s Coming for Your Browser Tab Overload. Perplexity has launched Comet, a new AI-powered browser that promises to rethink how users search, read, and act online.
Grok 4 Just Dropped. And It’s Claiming to Outthink You. xAI has announced Grok 4, the latest iteration of its large language model — and it’s aiming directly at the reasoning crown.