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Alternatives

Products that do what Open Paper does

A workbench for reading and understanding papers

  1. 1

    AI-native workbench for understanding papers

    2025

  2. 2
    PDF.ai678

    Chat with any document

    2023 · pdf.ai

  3. 3

    Discover, read, write and manage research with ease using AI

    2024 · paperguide.ai

  4. 4

    Open-source AI document assistant

    2023

  5. 5EE

    heyo! Explainpaper lets you upload a research paper PDF. If you don't understand a formula or sentence, just highlight it and the tool explains it for you I built this a few weeks ago to help me read a neuroscience paper, and it works pretty well! I didn't fine-tune GPT-3, but I do take a lot of context from the paper and feed that into the prompt (not the whole paper). Ppl have uploaded AI, biology, economics, philosophy papers and even law documents. Works in Chinese, Japanese, Spanish, French and more as well!

    2022 · explainpaper.com

  6. 6

    ethical, powerful AI assistant for students and researchers

    2023

  7. 7NI

    Understanding scientific articles can be tough, even in your own field. Trying to comprehend articles from others? Good luck. Enter, Now I Get It! I made this app for curious people. Simply upload an article and after a few minutes you'll have an interactive web page showcasing the highlights. Generated pages are stored in the cloud and can be viewed from a gallery. Now I Get It! uses the best LLMs out there, which means the app will improve as AI improves. Free for now - it's capped at 20 articles per day so I don't burn cash. A few things I (and maybe you will) find interesting: * This is…

    Feb 2026 · nowigetit.us

  8. 8PT
  9. 9

    Chat with any PDF for free with no limitations or login

    2023

  10. 10
    SciSpace404

    Your AI assistant to discover and understand research papers

    2022

  11. 11
    PaperTalk104

    A community platform for state of the art research

    2024

  12. 12OS

    2025 · rlama.dev

  13. 13
    PaperGen305

    Write long-form papers with citations, charts, and more

    2024

  14. 14
    Macro PDF221

    Understand complex papers instantly

    2025

  15. 15

    Talk to PDFs - ask, summarise & find info effortlessly

    2023

  16. 16

    Generate AI summaries for research papers and articles

    2022

  17. 17PT

    Hi HN! I'm stoked to share a project I've been working on called PDF to Podcast. It's a free, open-source tool that automatically converts PDF documents into engaging, informative podcast-style audio content using large language models and text-to-speech tech. Inspiration: The idea for this project came from the NotebookLM demo at Google I/O, where they showcased generating audio dialogue from uploaded PDFs and other sources. However, that audio feature hasn't been publicly released yet, and I wanted to challenge myself to build something similar using existing tools and APIs. How it…

    2024 · pdf-to-podcast.com

  18. 18
    Pdfchatai114

    Ask, answer, find items from your PDFs using AI

    2024

  19. 19
    Outread55

    Read 15-minute summaries of cutting-edge research papers.

    2024

  20. 20DR

    Hi HN, Would love your thoughts on Open Paper Digest. It’s a mobile feed that let’s you “doomscroll” through summaries of popular papers that were published recently. Backstory There’s a combination of factors lead me to build this: 1. Quality of content social media apps has decreased, but I still notice that it is harder than ever for me to stay away from these apps. 2. I’ve been saying for a while now that I should start reading papers to keep up with what’s going on in AI-world. Initially, I set out to build something solely for point 2. This version was more search-focussed, and…

    Dec 2025 · openpaperdigest.com

  21. 21

    Compare multiple papers in seconds.

    2025

  22. 22AV

    I feel like LLMs can help me understand anything. However, after I get a summary, I can't dive in to parts that I find interesting; can't refer to original source easily and can't control context with chatbots. This is an attempt to solve for a complete knowledge consumption experience with AI . Please give me feedback!

    Oct 2025 · kerns.ai

  23. 23

    OCR that reads your documents — then lets you chat with them

    Jun 2026 · ocr.chat

  24. 24

    Quickly understand research papers with AI

    Jan 2026 · spatialread.com

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