89% of ChatGPT level
OpenAI's smaller open model. A solid agent-style helper when 14 GB fits.
Runs in:
Fits on:
· needs ~14 GB · Free to download · License: Apache 2.0
Summarize long documents
Get the key points of a PDF or article.
The tools below run on your computer. Most of them are free, and the local work stays on your machine.
Works offline · Free options
Your computer
Describe your computer
Pick the closest line. Office PC and Mini PC are estimates. Linux and a home server stay in the list. We guess the specs, then hide models that would not fit. The guess stays cautious.
4 results
Most tools here are free.
Writing Study & School Not on the chat board
Finds the passages worth summarizing
Runs in:Fits on:· needs ~1.2 GB · Free to download · License: MIT
Open WebUI
A browser window for local chat and documents.
Installer only · Some setup · Free
HONEST COMPARISON
Local or cloud: Summarize long documents?
Reviewed Oct 2026
- Privacy: Local winsThe PDF never leaves your computer
- Cost: TieBoth sides have a free way in
- Quality: Cloud winsBetter on a long pile of files
- Ease: Cloud winsDrop the file in and read
Local AI
Local chat can summarize a file you already have, without uploading the PDF.
- The document stays on disk
- Good for one report or a chapter
- You can ask follow-up questions offline
Where it falls short
- Very long files fall out of a small model's memory
- It can skip a section and sound confident
Cloud & apps
Cloud notebooks are better when the pile of PDFs is long and you want quotes back to the page.
- CChatGPTCloud AIFreemium
A fast summary of one file you are willing to upload.
Best for: One file
The file is sent to OpenAI
- CClaudeCloud AIFreemium
Holds a long document and writes a tighter summary.
Best for: Long reports
The file is sent to Anthropic
- NNotebookLMAppFreePopular choice
Summarizes the PDFs you upload and points back at the source page.
Best for: Many PDFsQuotes
Documents are uploaded to Google
Our take
Summarize private files locally. Use a cloud notebook when the documents are shareable and there are many of them.
Choose local if…
- The file is confidential
- You have one document
Choose cloud if…
- You have a stack of PDFs
- You want page quotes
How to do it in 3 steps
- Open the model page and pick any app under Runs in, for example AnythingLLM, GPT4All or Jan. Each app page links to that maker's own guide.
- Open the gpt-oss 20B page and check the traffic light for a few kinds of computer.
- Follow that official guide. This site does not add its own install steps.
Questions
- Does this upload my files?
- The local tools on this page don't upload your files. The cloud options in the comparison do.
- What does it cost?
- Most options are free. A few apps are a one-time purchase, and a few models need a computer with more memory.
- What if it will not fit?
- Use Check my computer, or turn on the lighter memory filters. A red light on the model page means the file is too big.
Not into local AI? Try these instead
Ordinary apps for writing. These are normal links to the maker's site.
Scrivener
A long-form writing desk for drafts, chapters, and research notes.
ScrivenerUlysses
A focused writing app for essays, posts, and books on a Mac.
UlyssesHemingway Editor
An editor that flags long sentences and dense wording.
Hemingway Editor