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Learning, Fast and Slow: LLMs That Adapt Continually

This article introduces Fast-Slow Training (FST), a new paradigm that interleaves prompt optimization (fast weights) with parameter updates (slow weights) to significantly improve LLM performance on math, code, and general reasoning tasks. FST outperforms weights-only training in data efficiency, performance ceiling, model plasticity, and continual learning.

SourceHacker News AIAuthor: LakshyAAAgrawal
Learning, Fast and Slow: LLMs That Adapt Continually
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Key points and analysis

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Key points

  • FST combines fast prompt optimization with slow parameter updates, balancing task-specific adaptation and general capabilities.
  • FST matches RL performance with up to 3x fewer training steps and raises the asymptotic ceiling.
  • FST preserves plasticity and improves continual learning by keeping model weights close to the base distribution.

Highlights and analysis are generated automatically and may contain errors. Check the original source.

Learning, Fast and Slow: LLMs That Adapt Continually | AI News Hub