The Download: AI’s real extinction threat and age-reversal tech for eyes
technologyreview.com·5d ago

TL;DR
A new model, Pan, was developed to achieve diverse goals in Minecraft using reinforcement learning from internet-scale video data. By learning goal-directed behavior during pretraining, it can generalize to unseen tasks effectively.
✦ Why It Matters
Engineers can adopt pretraining on large video datasets to enhance the generalization capabilities of their AI models.
Key Takeaways
How It Works
The model learns goal-directed behavior during pretraining by using video frames as goals, a method known as hindsight relabeling. This allows the model to infer what actions lead to achieving those goals without needing explicit reward signals.
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