Perplexity, the AI-powered search company valued at $20 billion, on Wednesday launched what it calls the most ambitious product in its three-year history: a multi-model agent orchestration platform ...

Google has launched Gemma 4 open models for Android and PCs, enabling on-device AI, offline capabilities, and future support for Gemini Nano 4 across the Android ecosystem ...

Here’s one definition of science: it’s essentially an iterative process of building models with ever-greater explanatory power. A model is just an approximation or simplification of how we think the ...