Intercom and Cursor have both shown that post-training open-weight models on domain-specific interaction data can match or beat the best frontier models — cheaper and faster. It's a development that could reshape the business model of the major AI labs and validate the idea that experience data, not just scale, is the next frontier of model performance. In the headlines: Anthropic's Claude Mythos model leaks, Google drops a real-time voice model, Shopify launches Tinker, and OpenAI shelves adult mode.

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Anthropic Accidentally Revealed Their Most Powerful Model Ever

The AI Daily Brief: Artificial Intelligence News and Analysis