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Rostrum

Curriculum-grade learning modules, generated in minutes.

Skill maps, sequenced lessons, mastery checks, and spaced review schedules — built like something a curriculum designer would have written, not a chatbot.

Anatomy of a module

Every Rostrum module is built from four pieces that work together. ChatGPT writes a paragraph; Rostrum builds the module around it.

Module preview

Newton's third law · Physics · 6 skills

Skill map

Lesson 02 · Equal & opposite

Every action has an equal and opposite reaction…

Worked example: a swimmer pushing off the wall. Common mistake: confusing pairs of forces.

Mastery check · 5 questions

Threshold 80%

Q1Q2Q3Q4Q5Review in 1d · 3d · 7d

One

A skill map, not a list

Every module starts with the structure: which skills the topic actually breaks into, which ones are prerequisites for which, and where the learner already is. Reading the map alone tells you what the lesson is about — before any content is generated.

Two

Lessons that teach a sequence

One explanation per skill, in the order the skill map dictates, with at least one worked example and a callout for the mistake a teacher would expect a learner to make. Each lesson stands on the skill before it, the way a course does.

Three

Mastery checks the learner can pass or fail

Targeted problems for every skill, scored against an explicit threshold. The learner knows when they've actually got it — and when they haven't. No generic quiz at the end of a wall of text.

Four

Spaced review built on retention research

A review schedule of one day, three days, a week — the intervals the spaced-repetition literature converges on. The lesson sticks because the learner sees it again at the right time, not because the prose was clever.

Questions worth answering

The ones that come up before someone signs up.

How is this different from ChatGPT?
ChatGPT writes a lesson when you ask. Rostrum builds a module — a skill map with prerequisites, lessons that teach in sequence, mastery checks at every step, and a spaced-review schedule. ChatGPT gives you a paragraph; Rostrum gives you something a curriculum designer would have written. If you only need a paragraph, ChatGPT is faster and free.
Who owns the content I generate?
You own everything you generate. Modules are yours to edit, embed, print, or republish under any license you choose. Export to PDF or HTML anytime; deletion is permanent within 30 days of request. We never train models on your prompts or your generated modules.
Can I edit a generated module?
Yes — and the export formats are designed for it. Download as HTML and edit in any text editor; download as PDF for print or LMS upload. The skill map, lessons, and mastery checks are all independent sections you can revise without breaking anything else.
What pedagogical model does Rostrum use?
Modules are structured around skill prerequisites (so the learner builds up rather than skipping ahead), worked examples plus deliberate practice (so they encounter every important variation), and spaced retrieval (so what they learn sticks). The prompts that drive generation are explicit about these constraints.
Can I embed a module on my own site?
Yes. Every module has an embed code you can paste into a blog, course site, or LMS. Embedded modules render with the same structure as on rostrum.site and don't require visitors to sign in.
What does it cost?
Generation is credit-based — buy a credit pack and generate one module per credit. Library access (browse, download, embed existing modules) is a $5/month subscription. See /pricing for current rates.
Do you store my prompts?
Prompts and generated modules are stored on Vercel Postgres so you can revisit them. They are never used to train models, sold, or shared. Modules in the public library are opt-in by the creator and the creator's identity is never exposed to viewers.