Today's AI news includes the launch of Tokyo startup Sakana AI by former Google researchers to explore swarm AI, BeFake's new app generating fake AI-powered social media identities, Arthur's open source Arthur Bench tool for testing AI models, MyHeritage's PhotoDater tool dating historical photos within 5 years 60% of the time, Otter.ai bringing AI meeting insights to Slack but raising confidentiality concerns, and Tencent announcing its new Hunyuan model as China pushes to match Western AI capabilities.

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