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Chrome Local AI

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Summary of summaries

Split a long text into chunks, summarize each, then summarize the summaries.

Summarizer API …

What it does

The model can only read so much text at once. For a long document, this technique cuts it into chunks, summarizes each chunk, and then summarizes those partial summaries into a single one.

Good to know: Smaller chunks keep more detail, but need more calls to the model and take longer.

How to use it

  1. Paste a long text. The sample is an article repeated three times.
  2. Under the box you see how many chunks it will make. The slider changes the size of a chunk.
  3. Choose the type of the final summary.
  4. Press “Summarize in chunks”. A progress bar shows which chunk is being done.
  5. Open “Summary of each chunk” to see the intermediate steps.

Based on the Summary of Summaries.

Smaller chunks give more precise partial summaries but need more calls to the model.

Summary of the summaries