Chat with memory
Keeps the thread: it remembers what you already talked about and picks up from there.
Stop searching through hundreds of videos
We don't summarize a single video: we train an expert on the whole channel. Ask and get the exact answer, at the exact moment, about everything that channel has ever said.
Ask Dot CSV
What is a Transformer and why did it change artificial intelligence?
A Transformer is a neural‑network architecture introduced in the paper that first described the concept of “Transformers” — a new type of network built around attention mechanisms rather than recurrence ▷ 15:41. Instead of processing sequences word‑by‑word as recurrent networks do, a Transformer can attend to all positions in the input simultaneously, which lets it learn positional information and relationships more efficiently.
The release of the Transformer caused a fundamental shift in artificial intelligence because it became the de‑facto architecture for most deep‑learning problems. After Google introduced the model, the deep‑learning landscape changed dramatically; the Transformer is now used not only for natural‑language tasks (e.g., GPT‑3’s language modelling) but also for vision tasks (Vision Transformers) and many other domains ▷ 2:01:47 ▷ 17:34. Since 2017 the Transformer has accelerated the progress of deep learning, enabling large‑scale models that can generate coherent text, translate languages, write code, and create art, thereby reshaping both academic research and real‑world applications ▷ 1:13.
Tap a timestamp: the video jumps to that second.
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A summary is not the same as an expert
A summarizer tells you about one video. An expert knows everything the channel has said, remembers it and takes you to the second it was said.
| A single-video summarizer | The YouTube chat (Gemini) | TubExperto | |
|---|---|---|---|
| Remembers what you already asked | Every summary starts from scratch | Forgets when you close the video | Remembers the whole conversation |
| Knows the whole channel | One video at a time | Only the video you are watching | The whole channel, always |
| Cites the exact second with a link | Only inside that video | Does not link to the source | Direct link to the exact second |
| Compares several channels at once | One channel, one video | Not available | Panel of several experts |
| Updates with every new video | You paste each video by hand | Not available | Indexes itself |
From a channel to an answer, in three steps
Paste the channel URL
We transcribe and index all of its videos. You can close the tab: we email you when it is ready.
Ask in your own words
The expert knows the whole channel and remembers your conversations.
Jump to the exact second
Every answer links to the moment in the video where it was said. If the channel never covered it, the answer is “I don’t know”.
What you can do with an expert
Three ways to get the most out of a channel: ask it, study it or follow a topic.
Ask
Cited answers about everything the channel has said.
Semantic search
Finds the moment even if you use different words from the video.
Multi-expert debate
Compare what two or more channels say about the same thing.
Study
Review material generated from the videos.
Topic summaries
One summary of several videos that cover the same subject.
Mind maps
Navigable: open a branch and drill down into the detail.
Research and follow
Discover new videos on a topic and hear about what gets published next.
Research
Write a topic and it builds a path of YouTube videos with the minute of each stretch.
Topic watch
Alerts you by email or Telegram about new videos that cover your topic.
Ask from wherever you are
Web
Your whole library in the browser.
Android app (iPhone coming soon)
The same experts and the same conversations, in your pocket.
WhatsApp
By text. Share a video link and it adds it for you.
Chrome and Firefox extension
Ask the channel expert without leaving YouTube.
From your AI, with TubExperto Link
Connect your experts to the assistant you already use and ask them without leaving it.
ClaudeChatGPTCursorVS Code
The same knowledge, your same library, five ways to ask.
Who it is for
Pick the case closest to yours.
Six use cases
You follow an educational channel with hundreds of videos and cannot find where it explained exactly what you need.
- Create your expert on your teacher’s channel
- Ask it in your own words
- Get the answer cited to the exact second
Hundreds of hours of syllabus on video and an exam date that will not wait.
- Index your tutor’s channel
- Review by topic and clear up doubts
- Ask for a summary by topic and a mind map
Your competitors publish more strategy on YouTube than you think.
- Create one expert per competitor channel
- Ask the whole panel at once
- Get contrasted, cited answers
You need to check what someone said across different interviews over the years.
- Create the expert or import interviews
- Search for the statement
- Every quote, with its timestamp
A competitor’s video takes off and you do not know what they did differently.
- Create the rival channel’s expert
- Ask which angles it has covered
- Compare it with your own channel
You follow several experts in your field and cannot keep up with every new video.
- Every channel updates itself
- Ask from Claude or Cursor
- Stay up to date without spending hours every week
Try it now
3 free questions a week, no sign-up.
These six experts are open. Pick one and ask it anything.
Browse the catalog
Pricing
Pioneer price: lock it in forever. The offer ends on 31 December 2026.
Explorer
€0
Always available.
- 2 experts
- 7 questions a week
- 10 welcome credits
Pro
Most popular€9Price when paid monthly: €10.80per month
€108 a year, VAT included.
- 15 experts
- 600 questions a month
- 30 credits a month
- Notes and highlights
Max
€29Price when paid monthly: €34.80per month
€348 a year, VAT included.
- 40 experts
- 2,000 questions a month
- 80 credits a month
- Priority support
Team
€78Price when paid monthly: €93.60per month
€936 a year, VAT not included. For teams of 2 or more.
Your company's shared brain
- 60 experts
- Shared library and memory
- Roles
Enterprise, custom-built for larger teams: Talk to sales
Need a bit more without changing plans? Buy credits
Common questions
Does it work with any YouTube channel?
Yes, any public channel. If it has subtitles we use them; if not, we transcribe the audio.
How long does it take to process a channel?
It depends on the number of videos. We email you when it is ready.
How do you stop it from making things up?
Every answer is anchored to a fragment of the transcript, with its timestamp. If the channel never covered it, the answer is “I don’t know”.
Is it legal? Do you respect creators?
We only use public content, we always link to the original video, and creators can ask for their channel to be excluded. Ask to exclude my channel
How is this different from asking Gemini or ChatGPT to summarize a video?
Those chats answer about one single video and forget. An expert knows the whole channel, remembers and keeps itself up to date.
Can I cancel whenever I want?
Yes, whenever you like. You keep your plan until the end of the period you already paid for and then move to the Explorer plan, which is free forever. Your experts are archived, not deleted.
Can I try it before paying?
Yes: the Explorer plan is free forever, no card needed. It includes 2 experts with all their videos, 7 questions a week and 10 welcome credits. You can also ask the catalog experts without signing up.
What happens to my experts if I cancel?
They stay active until the end of the period you already paid for. After that they are archived, not deleted: go back to a paid plan and you get them back at once.
Do you offer refunds?
Yes, a full refund within the first 7 days if you have indexed fewer than 5 videos and asked fewer than 30 questions.
Which languages does it work in?
Spanish and English across the whole platform. You can ask in Spanish about an English-language channel.
Can I use my experts from ChatGPT, Claude or other AI tools?
Yes, with TubExperto Link: connect your experts to Claude, ChatGPT, Cursor or VS Code and ask them without leaving it.