Glasp is a social highlighter with free YouTube summaries via Chrome extension (you bring your own ChatGPT/Claude API key, or use Pro for $12/mo). ChatYT is a purpose-built YouTube AI platform with deeper features and no API key required.
Pick Glasp if
You highlight web articles + want a free YouTube tier with your own API key.
Pick ChatYT if
You want a YouTube-first toolkit with no API key setup.
Quick comparison
| Feature | ChatYT | Glasp |
|---|---|---|
| Free tier | 5 credits, ongoing | Free (BYO API keys for AI) |
| Pro plan | $1–12/mo | Pro $12/mo (1,000 YouTube summaries) |
| Top plan | $50–100 top-ups | Unlimited $30/mo (5,000 YouTube summaries) |
| Student discount | Already lowest price | 40% off Pro yearly |
| YouTube summaries | Native | Via Chrome extension |
| Chat with video | ||
| Multi-Video Chat | ||
| AI Flashcards | ||
| Highlighting/annotation | Yes (core feature) | |
| Social sharing of highlights | Yes (core feature) | |
| PDF highlighting | ||
| AI Clone (personalized) | Yes (Pro) |
Where Glasp wins
Honest assessment — Glasp's strengths are real.
Highlighting and annotation
Glasp's core is web/PDF highlighting with notes. If you want to mark up content as you read across the web, Glasp is purpose-built for that workflow — ChatYT doesn't address it.
Social knowledge sharing
Glasp lets you share and discover highlights from other users — a unique social knowledge layer ChatYT doesn't have. Useful for research communities and learning networks.
AI Clone feature
Glasp Pro builds a personalized AI based on your highlights. Interesting feature for knowledge workers building personal knowledge bases — ChatYT has nothing comparable.
Free tier with own API keys
Tech-savvy users can plug in their own OpenAI/Claude API keys for unlimited free use. ChatYT doesn't support BYOK — pricing is included in the credit cost.
Where ChatYT wins
Where ChatYT pulls ahead for YouTube-first work.
No API key setup required
ChatYT works out of the box. Glasp's 'free' tier requires you to set up and pay for an OpenAI or Claude API account separately — non-trivial for non-technical users.
Lower entry price
ChatYT Starter is $1/month with no API key cost. Glasp Pro is $12/month. For YouTube-only work, ChatYT is dramatically cheaper top-to-bottom.
Multi-Video Chat
Cross-video analysis isn't part of Glasp's offering. ChatYT lets you chat across 5–10 videos in a single session — table stakes for research, missing in Glasp.
AI Flashcards & Goal Summary
ChatYT-specific learning features Glasp doesn't have. Spaced repetition, goal-targeted summaries — direct study workflow Glasp can't replicate.
Built specifically for YouTube
Glasp's primary focus is web articles and PDFs; YouTube is a feature. ChatYT's whole product is built around YouTube workflows — every feature is tuned for video, not retrofitted.
Pricing side-by-side
| Tier | ChatYT | Glasp |
|---|---|---|
| Free | 5 credits/month, ongoing | Free with own API key |
| Pro | $1/mo + usage | $12/mo (1,000 YouTube summaries) |
| Top | $50–100 top-ups | $30/mo unlimited (5,000 YouTube summaries) |
Who should use which
| User type | Pick |
|---|---|
| Web/PDF highlighter who wants social sharing | Glasp |
| YouTube-first user wanting summaries + chat | ChatYT |
| Want personalized AI from your highlights | Glasp |
| Don't want to manage API keys | ChatYT |
| Active student wanting flashcards | ChatYT |