Challenge: Recent advances in large language models (LLMs) have achieved impressive performance on many language tasks.
Approach: They synthesize a high-quality dataset of error correction pairs to evaluate and improve LLMs for mobile applications by reweighting the sample.
Outcome: The proposed model improves on offline evaluation and live A/B testing, given the LLM performance on offline data and scores from a small privacy-preserving on-device language model.

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Challenge: a capability gap exists between open-source and closed-source large language models (LLMs) . the adoption of closed-sourced LLMs introduces concerns pertaining to openness, privacy, and substantial costs.
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Challenge: Large language models (LLMs) have shown impressive performance in code understanding and generation.
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