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OpenAI 8 years ago 13
Researchers released Evolved Policy Gradients, a method that automatically designs loss functions for training agents rather than using hand-crafted ones. Agents trained with EPG generalized to novel spatial navigation tasks, such as finding objects on opposite sides of rooms from their training experience. This approach enables faster learning on new tasks without requiring manual redesign of training objectives for each new problem.
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TLDRocket
28 October 2026
The biggest throughline today is Google pressing AI into roles where “just chat” isn’t enough: Gemini 4 Carbon is being positioned as both a long-horizon coding engine and a cyber-defense specialist. Google DeepMind says the model scores 88.2% on SEC-bench Pro, while still rolling out at an introductory $2 per million input tokens and $10 per million output tokens—pricing that also comes with access constraints. Instead of a free-for-all API, early use starts with a vetted cyber-defender group via Google’s Fairwind Program, then expands later through programs rather than immediate general availability.
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