AI Network: Crosswalk Hack, Talking Dolphins, OpenAI Developer Models, Meta Benchmark Cheating, NVIDIA US Factories, and ChatNode

In Today’s AI for Business News: Crosswalk buttons in California were hacked to play AI-generated voices mimicking Musk and Zuckerberg, raising public tech security concerns.Google teams up with researchers to decode dolphin communication using a new AI model trained on decades of underwater recordings.OpenAI rolls out new developer-only GPT-4.1 models with bigger context windows, better coding skills, and lower costs.Meta is called out for using a tuned version of its Llama 4 model to boost ...