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BrowseAI TechHow LLMs Actually Work

Chapter 2 — The transformer, in plain English

Attention is just a weighted average. That's the whole trick. Once you see it that way, every "AI magic" claim either earns its keep or falls apart. We unpack Q, K, and V, then walk through what actually happens during inference — token by token.

Sample · 12 min listen
Scaled Dot-Product Attention Q (Query) K (Key) V (Value) MatMul Q · Kᵀ Scale ÷ √dₖ Mask (opt) Softmax MatMul × V Output
Read The transformer, in plain English. Free preview · Chapter 2 of How LLMs Actually Work. Try Listen mode for a 12‑min narrated sample.
Ch. 2 — The transformer, in plain English
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Where our courses come from

Four sources. One library.
Always up to date.

Every course on DeepMox is built from one of four sources — our public library, AI Create from your reading list, trending repos on GitHub, or topics the community votes up.

Public library

120+ curated courses.

Every chapter is structured, sourced, and updated when the underlying topic moves. The first three chapters of every topic are free, forever.

How LLMs Actually Work
AI Tech · 8 ch · 14 min · free 3
Zero to Revenue
Startups · 7 ch · 12 min · free 3
Design Systems That Scale
Design · 9 ch · 16 min · free 3
Postgres for Builders
Engineering · 10 ch · 18 min · free 3
+ 116 more topics across tech, finance, career, marketing, health, legal, learning, startups, and mindset.
AI Create

Paste links or attachments.

Got a topic no one has covered well? Drop your links, paste your notes. DeepMox turns your reading list into a private course with expert articles, podcasts, video lessons, and progress tracking — a finish line you can actually cross.

150private chapters / month on Max
GitHub Trending

We follow trending repos.

When a repo hits the trending board, we draft a course on it within days. Yesterday's hot project is today's chapter.

vllmtrending today
openai/whispertrending this week
denoland/denotrending this week
Community voting

Members vote. We build.

Members propose topics; the most upvoted become real courses. No committee, no editorial board — just signal.

Side hustle: 0 → first paying client428 votes · building
Non-tech offer negotiation +30%213 votes · drafting
38 more in queue
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14 min avg chapter

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~11 min · 1.5× supported

Naturally voiced podcasts with the same chapter as Read mode. Hands-free on the train, during a run, or while doing the dishes — progress syncs the second you stop.

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~11 min · diagrams + voice

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What members say

Built for people who'd rather
learn than be marketed to.

Thirty members. Thirty contexts. One thing in common: they finished a course this month instead of bookmarking another tab.

The course updated itself
"I was halfway through the LangGraph course on Friday. By Monday morning, LangGraph shipped v0.3 and the Trending pipeline had already pushed a new chapter covering the breaking changes. I didn't have to email anyone."
GE
Backend engineer
AI infra · Berlin
Listen on the train
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SE
Senior AI engineer
Fintech · Toronto
Onboarding my team on LLMs
"I onboarded two new hires on our LLM stack using How LLMs Actually Work. Listen mode on Monday, Read together on Wednesday, Watch on Friday. They shipped a small RAG feature in week 3."
EM
Engineering manager
AI infra · Vancouver
I finished Distributed Systems
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DS
Distributed systems engineer
Observability · Stockholm
Rust async, finally clicked
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RS
Systems engineer
Browser team · Amsterdam
Course from a PR thread
"I pasted a 200-message PR review thread about Postgres 17 logical replication into AI Create. It came back as a 4‑chapter private course. Saved me a week of reading the docs + the mailing list."
DB
Database engineer
Payments · Lisbon
I voted, they built it
"I'd been begging for a course on Stripe Billing edge cases for months. I upvoted it on Community. Two weeks later it's a real DeepMox course with chapters, a podcast, and video. I'm still weirded out that this works."
CV
Solo SaaS founder
Payments · Lisbon
AI Create for my reading list
"I pasted a Notion backlog, the new Stripe API changelog, and a YouTube transcript into AI Create. It came back as a 6‑chapter private course with a podcast and video by the time I finished my coffee. Replaced two $40 templates."
IF
Indie founder
B2B SaaS · Brooklyn
Priced my Pro plan in a week
"I finished Pricing & Packaging for Indie SaaS and shipped a Pro plan the next Monday. The chapter on usage-based vs seat-based was the missing piece. Converted 4 trial users the same week."
PP
First-time founder
CRM · Mexico City
I shipped my MVP pitch deck
"I had investor meetings booked and a half-written deck. Finished Seed Deck Fundamentals in 4 days. Listened twice, then watched once. Sent the deck — got a term sheet the next week."
SD
Pre-seed founder
Vertical AI · Buenos Aires
B2B sales on the bike
"I ride 12 km to work each day. Using Listen Mode for the chapters on outbound sales and objection handling helped me reach $20k ARR for the first time. I never thought I'd finish a sales course — this one I did."
BS
Solo founder
HR tech · Berlin
Course from a real customer
"A customer asked for a course on cold-email deliverability. I upvoted it on Community. Three weeks later they had a 5‑chapter course on it. I shared it with the customer — they renewed for another year."
CO
B2B founder
Email tooling · Toronto
Read at lunch, watch at night
"Listen on the train, Read at lunch, Watch on the couch. Same chapter, synced progress. I never lose my place when I switch devices — that's the product, and it just works."
PD
Senior product designer
Consumer apps · Austin
One library, public + private
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PM
Senior product manager
Dev tools · Denver
Rebrand research in 2 hours
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RB
Design lead
B2C fintech · London
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AX
Product designer
Health tech · Melbourne
Design critique on the bus
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DC
UX designer
SaaS analytics · Seoul
Type systems with Watch mode
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TY
Visual designer
Brand studio · Paris
AI Create for my reading list
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DA
Data analyst
B2B SaaS · Brooklyn
GitHub Trending deep dives
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DS
Data scientist
ML platform · San Francisco
RAG, end to end
"The RAG From Scratch course walked through eval, chunking, reranking, and citation graphs in Watch mode. I built the same pipeline for our docs site by Wednesday. The video walkthrough caught two mistakes I would have shipped."
RG
ML engineer
Search · Berlin
Stats refresher that stuck
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ST
Senior data scientist
Marketplace · New York
Vector DBs, finally
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VD
Analytics engineer
Retail · Toronto
Course from a Slack thread
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EV
ML platform lead
Healthcare AI · Tel Aviv
I finally finished Growth Loops
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GL
Growth lead
D2C marketplace · Seattle
A/B test I shipped on Monday
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LM
Lifecycle marketer
Consumer subscription · NYC
SEO on the school run
"I get 25 minutes a day in the car for school pickup. Listened to Programmatic SEO That Lasts twice. We rewrote 40 landing pages following the chapter on intent clusters. Organic sessions up 3.4× in 6 weeks."
SE
SEO manager
Edtech · London
Referral program rebuild
"The Referral Programs That Scale course in Watch mode felt like a strategy session. Rewrote our entire referral mechanic the same week. Two-sided rewards + clean attribution. New signups from referrals up 220%."
RP
Growth PM
Consumer app · Berlin
Course from 5 podcast episodes
"I pasted transcripts from Lenny's Podcast, the SaaS Bootstrap, and 3 episodes of Marketing School into AI Create. It returned a private B2B SaaS Positioning course. Used it to rewrite our homepage. Signups up 60%."
PO
Solo founder
Vertical SaaS · Lisbon
Activation metric that worked
"Voted for a course on activation metrics. Got it. The chapter on the 'aha moment' reframing helped us pick a new north-star metric. Conversion to week-2 retention up 38% in the next quarter."
AM
Head of growth
Vertical AI · San Francisco
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Common questions

The honest answers.

What does "early access" mean — is DeepMox ready?

DeepMox is in private beta. The core experience — read, listen, and watch modes, the 120+ topic library, and AI Create — is built and working. Early access members join in small batches, get a direct line to the team, and lock in launch pricing before public availability. Join the list and we'll reach out with your invite.

How is DeepMox different from Substack + Notion + a podcast app?

Those tools are great for consuming and organizing — not for finishing. DeepMox gives you a single structured path per topic, the same chapter in three modes, and progress that follows you across devices. The point isn't more content. It's finishing the one you started.

What's the catch with the free plan?

There isn't one, and we're not fans of the pattern either. The first three chapters of every topic are completely free, with no credit card, no email countdown, and no "subscribe to keep reading" twist at the end of chapter 2. If those three chapters earn the next five, you'll feel it — and upgrading is one click.

What does AI Create actually do?

Paste links or attachments — articles, docs, PDFs, slide decks. DeepMox reads them, clusters them into chapters, and writes a private course with expert articles, podcasts, video lessons, and progress tracking. It's not a wrapper around ChatGPT; it's a course-generation pipeline tuned for non-fiction. Pro gets 50 private chapters / month (about 5 topics); Max gets 150 (about 15 topics).

Can I cancel any time?

Yes. One click from your account, no phone call, no "are you sure" survey that takes 90 seconds. Your access stays active until the end of the period you already paid for. If you upgrade, we prorate and only charge the difference — no double-billing.

How does the GitHub Trending feature work?

Every six hours, we pull the trending repos, summarize what they do, and queue up a structured learning path for each one. If a repo crosses our threshold, it becomes a full topic with chapters, a podcast, and video. Pro and Max members get the deep-dive courses; everyone sees the trending list.

Is my data safe? Do you train on my reading list?

Your private courses are private. We never train foundation models on your reading list, and we never share your data with third-party advertisers. AI Create runs on first-party infrastructure with strict data-retention windows. You can export or delete your data at any time from your account.

Why not just use ChatGPT, Manus, or Claude?

ChatGPT, Manus, and Claude are great at answering questions. DeepMox is built to help you master a topic from start to finish.

You get a structured 5–10 chapter course, with every chapter available as an article, podcast, and video. Your progress stays synced across devices, so you can keep learning wherever you left off.

DeepMox also includes a public course library, community tracks, weekly GitHub courses, and AI Create on Pro and Max — up to 50 or 150 private chapters per month.

You pay for outcomes, not tokens.

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