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Home - Upload anything or start Voice Chat. Tell the app what you want to learn and jump into recent Spaces.
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add context - Add files or links (incl. YouTube). Parallel parsing with progress—ask questions while indexing runs.
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chat - Grounded answers with clickable timestamps and citations; quick actions (Simplify/Analogy/Quiz); model & Sources controls.
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Voice Chat - Realtime tutor with live captions; tap mic to mute/unmute; auto responses and a full transcript on demand.
Inspiration
We wanted to fix the biggest flaw in AI learning tools - hallucinations and shallow answers. Students, researchers, and professionals all face the same problem: AI tutors sound confident but often guess.
So we built Professor Hold My Beer, a grounded AI professor who never guesses - he only teaches from your materials.
What it does
Grounded AI isn’t just safer - it’s transformative for learning.
Professor Hold My Beer turns any pile of PDFs, slides, code, or YouTube lectures into a real-time tutor. Ask a question, and Hold My Beer gives precise, cited answers - every fact linked to the exact source snippet or timestamp.
You can instantly simplify complex topics, generate analogies, or quiz yourself for spaced repetition - all from your own data.
It scales from one lecture to a lifetime of learning, with model choice (GPT-5, Turbo, Gemini) and strict grounding guarantees.
How we built it
We built Hold My Beer on top of a RAG-first (Retrieval-Augmented Generation) engine with hybrid dense + keyword search. The frontend runs a voice-first chat interface with model switching and per-message viewer. The backend handles incremental re-indexing, caching and multi-model orchestration through OpenAI APIs.
Challenges we ran into
- Keeping responses fully grounded while maintaining conversational flow.
- Optimizing retrieval speed for large libraries (thousands of pages and long videos).
- Building reliable chunk alignment for video timestamps. -Designing an intuitive UX for source transparency without clutter.
Accomplishments that we're proud of
- Achieved zero-hallucination threshold with strict confidence gating.
- Delivered real-time, voice-first tutoring that cites sources and timestamps.
- Built a scalable engine capable of handling multi-gigabyte study libraries.
What we learned
We learned that trust, transparency, and active engagement drive deeper understanding than speed or style alone. By giving users control over sources and citations, we make AI a teacher, not a guesser.
What's next for Professor Hold My Beer
- Integrating collaborative Spaces for team study and corporate onboarding.
- Expanding to multi-modal inputs (whiteboards, handwritten notes).
- Launching a mobile app with offline indexing and voice-only study sessions.
- Opening a beta program for educators to build grounded learning courses with Professor.
Built With
- firebase
- openai
- typescript

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