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Conor F. Hayes

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Preprint Aug 2026

Beyond the Best Guess: Improving LLM Solution Coverage with Evolution Strategies

Evolution Strategies (ES), a population-based, gradient-free post-training method that optimizes directly in weight space through random perturbations, achieves consistently higher pass@k than RL and produces a broader output distribution with greater solution coverage.

Conor F. Hayes, Elliot Meyerson, Kajetan Schweighofer et al. · 1 citation

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