Flipkart
RAG and search

Beyond the Context Window: A New Approach to Summarizing Big Data

Our short summary of Flipkart’s engineering write-up. The full story, with all the detail, is on their blog.

Read the full write-up on blog.flipkart.tech (opens in a new tab)

Problem

LLMs cannot summarize thousands of product reviews because the context window is too small and opinions conflict.

Solution

Created XL-OPSUMM, which reads reviews in chunks, updates an aspect‑wise sentiment scorecard, and rewrites the summary incrementally to stay accurate.

BooookScore 85.60

Want the architecture, code and numbers? They’re in the original post.

Read the full write-up on blog.flipkart.tech (opens in a new tab)

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