Kwai Summary Attention Technical Report

📰 ArXiv cs.AI

Learn how Kwai Summary Attention improves long-context ability in Large Language Models, reducing quadratic time complexity

advanced Published 28 Apr 2026
Action Steps
  1. Read the Kwai Summary Attention Technical Report to understand the limitations of standard softmax attention
  2. Implement Kwai Summary Attention in your LLM to reduce quadratic time complexity
  3. Compare the performance of your model with and without Kwai Summary Attention
  4. Apply Kwai Summary Attention to long-context settings, such as semantic understanding and code agentic intelligence
  5. Test the scalability of your model with increased sequence lengths
Who Needs to Know This

NLP engineers and researchers working on Large Language Models can benefit from this technical report to improve model efficiency and scalability

Key Insight

💡 Kwai Summary Attention improves the scalability of Large Language Models by reducing the computational overhead of standard softmax attention

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🚀 Kwai Summary Attention reduces quadratic time complexity in LLMs, enabling more efficient long-context processing! 🤖

Key Takeaways

Learn how Kwai Summary Attention improves long-context ability in Large Language Models, reducing quadratic time complexity

Full Article

Title: Kwai Summary Attention Technical Report

Abstract:
arXiv:2604.24432v1 Announce Type: cross Abstract: Long-context ability, has become one of the most important iteration direction of next-generation Large Language Models, particularly in semantic understanding/reasoning, code agentic intelligence and recommendation system. However, the standard softmax attention exhibits quadratic time complexity with respect to sequence length. As the sequence length increases, this incurs substantial overhead in long-context settings, leading the training and
Read full paper → ← Back to Reads

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