FST framework enables 3x faster LLM adaptation
FST optimizes LLMs by treating prompts as "fast weights" and parameters as "slow weights," matching RL performance with 3x fewer steps. The framework significantly reduces catastrophic forgetting by keeping model plasticity high during task-specific tuning.
FST is a paradigm shift that stops trying to force every task nuance into model weights, offloading specialized logic to the context layer instead.
- –Achieving 3x data efficiency makes high-quality RL-style fine-tuning viable for smaller teams with limited compute
- –70% reduction in KL divergence solves the "lobotomy" problem where models lose general reasoning after specialized training
- –Interleaved GEPA (fast loop) and CISPO (slow loop) optimization allows models to acquire new skills like coding and math without interference
- –This multi-channel approach suggests future LLMs will be shipped as "parameter + optimized prompt" bundles rather than static weight files
DISCOVERED
1h ago
2026-05-15
PUBLISHED
1h ago
2026-05-15
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