Ask your notes anything.
Sage reads your uploaded source and answers questions from it, citing the exact passages it used. Like having a tutor who actually read the textbook.
What is Sage?
Sage is GoodOff’s AI tutor. It reads your uploaded source — a PDF, notes, lecture, or video — and answers questions from that material, citing the exact passages it used. Unlike general-purpose chatbots, every answer is grounded in your own content, so you can trust the source. It supports text, image, voice, and file inputs, and saves conversation history so you can pick up where you left off.
Sage AI Tutor features
Grounded answers with citations
Every response cites the exact passage from your source. No hallucinated facts — you can check the reference yourself.
Works with any source
Upload a PDF, notes, slides, audio, or a video. Sage reads it all and becomes your subject-matter expert.
Multi-modal input
Ask questions via text, voice, image, or file — whichever is fastest. Take a photo of a diagram and ask Sage to explain it.
Conversation history
Your chats are saved so you can return to a tricky topic later without re-explaining the context.
Research mode
Switch to Research mode for deeper, longer-form analysis when a quick answer isn’t enough.
DeepTutor
Four advanced modes — chat, solve, question generation, and guided learning — for when you need more than Q&A.
How to use Sage
Upload your source
Add a PDF, notes, slides, audio, or video to your GoodOff library.
Open the Sage tab
Inside your library item, switch to the Sage tab to start a chat grounded in that source.
Ask a question
Type, speak, or send an image. Sage reads your material and responds with a cited answer.
Dig deeper
Follow up, switch to Research mode, or try DeepTutor for guided learning.
The science behind Sage
Source grounding
Constraining AI answers to information present in a specific document, rather than general web knowledge. This reduces hallucination and makes every claim verifiable.
Retrieval-augmented generation
A technique where the AI retrieves relevant passages from your source before generating an answer, so the response is anchored in real content.
Active recall
The learning strategy of testing yourself on material rather than passively re-reading it. Asking Sage questions about your notes is a form of active recall.
Citation
A reference to the specific passage, page, or section of your source that supports the AI’s answer. Lets you verify accuracy instantly.
How students use Sage
Exam prep
Upload your lecture slides and ask Sage to quiz you on the key concepts, then check each answer against the source.
Reading comprehension
Drop in a dense paper or textbook chapter and ask Sage to explain the parts you don’t understand, in plain language.
Research review
Load multiple papers and use Research mode to synthesize findings across sources with citations.
Quick reference
Need to find a specific fact in a long PDF? Ask Sage instead of scrolling. It returns the passage and the location.
Sage AI Tutor FAQ
Is Sage included in every plan?+
Does Sage make up answers?+
What file types does Sage support?+
Can I ask Sage with a photo?+
Is my data private?+
The rest of your study kit
Ask your notes anything.
Upload a PDF or your notes, open Sage, and get answers grounded in your own material — with citations.