Feature

AI avatars for courses: render the ad, film the lesson

Course creators arrive here wanting rendered lessons. The arithmetic points them somewhere better. A render bills 320 credits per finished minute and caps at five minutes of audio. That shape suits short repeated pieces. Here is the lesson maths, the four places a presenter pays for itself, and the one asset worth spending the credits on.

A male teacher conducting an online class with a laptop and camera setup in a classroom.
Photo by Vanessa Garcia on Pexels
Longest audio one render accepts
5 min
Cost of one five minute render
1,600 CR
Credits a month on Premium at $79.99
5,000

The lesson arithmetic, done in public

One render caps at five minutes of audio. That costs 1,600 credits.

Premium is $79.99 a month for 5,000 credits. A plan covers roughly fifteen rendered minutes before top-ups.

A twelve lesson course at eight minutes a lesson is 96 minutes. That is 30,720 credits of render.

At $15 for 1,000 top-up credits, it comes to over $460 for the narration alone.

Filming the same course costs 100 credits per batched take. The three minute source ceiling means longer lessons get split either way.

The number is not hidden and it is not a trick. Rendering costs more per second everywhere. A course is a lot of seconds.

That is useful, because it points the credits at the asset that needs them.

That asset is the ad that sells the course. It is the one thing here that has to compete in a feed.

Credits to narrate one eight minute lesson

The render bills by finished minute. Short repeated pieces are the shape it suits.

  • Filmed in three minute takes, batched300 CR
  • Rendered at 320 a minute2,560 CR

Where a rendered presenter does pay for a course

The promotional ad. Forty seconds, 9:16, running in a feed to sell the course itself.

The lesson intro. Ten seconds of a consistent face saying what this module covers, identical across twelve lessons.

The announcement. Enrolment closing, a new module added, a price change, a schedule shift.

The correction. A lesson had a mistake in it and you need a short insert without reshooting in the same shirt.

Every item shares a shape. Short, informational, and better for being identical across months.

Add them up and a course needs perhaps 1,200 credits of render a year.

That fits comfortably inside a single month of Basic at $39.99, with credits left for the batches.

None of them is the teaching. None of them is the part a student came for.

That is the useful size of this. A small spend on the four assets that repeat, and each one comes back finished.

  • Course ad: about 374 credits finished at forty seconds
  • Twelve lesson intros at ten seconds each: about 640 credits of render
  • One announcement a month: about 213 credits
  • Twelve rendered lessons at eight minutes: over 30,000 credits

This is the whole editor

Highlight a phrase and a clip lands on those exact words. No timeline, no keyframes, no layers.

CLIPS · 5I have thisexact conversationeverysingle week. Somebody sits down and says,oh yeah, I takecinnamonevery day.And honestly, doc, I have no idea if it works.So let me tell you what isin that capsule.a clip lands on these wordscut from the editTAKING CINNAMONEVERY DAY?is it doing anythingHeadlineMusicCaptionsTHIS VIDEOLength25.0sClips5Words removed18Export video

Consistency is the argument, not cost and not speed

A course recorded over three months drifts. The room changes, the haircut changes, the energy changes between a Tuesday and a Sunday.

Students notice. It reads as a course assembled rather than designed.

A rendered presenter is identical in module one and module twelve.

No filming schedule can offer that, at any budget.

It also survives the instructor leaving, which matters when a course outlives the person who recorded it.

Set it up once. The portrait, the shirt, the room and the expression are the visual identity of every intro you make for the next year.

Nobody would spend two seconds on that decision if it were a physical shoot. In this format almost everybody does.

Ten minutes by a window with a plain wall behind you settles it.

Where the render belongs in a course

Short, repeated, informational. Everything else is filmed.

  1. Course ad

    40s, rendered, about 374 CR

  2. Lesson intros

    10s each, identical across modules

  3. The teaching

    Filmed. Three minute takes, 100 CR each

  4. Corrections

    Short rendered inserts

  5. Announcements

    Rendered, monthly

Why the teaching stays on a camera

Teaching is full of sentences a render cannot carry. This is the mistake I made for two years. Watch what happens when I do this.

It needs hands constantly. Pointing at a screen, holding a tool, writing on a page.

It needs spontaneity. The aside, the reconsidered explanation, the moment an instructor sees the class will not follow and says it a second way.

Those are the moments students remember.

A five minute ceiling per render also means a long lesson arrives as separate files.

Output is 9:16. That is the shape a course ad needs and the shape a course platform does not.

So film the lessons in three minute takes. Batch each for 100 credits if you want them cut and captioned.

That keeps the teaching human. It keeps the render on the assets that repeat.

Spend the credits on the ad that sells the course

One forty second rendered 9:16 ad is about 374 credits finished, from blank page to uploadable file.

It is the only asset in a course business that has to win attention rather than hold attention already given.

Batch it for 100 credits. The editor covers up to 45 percent of the runtime with footage at normal pace.

Highlight the phrase where you name a module. A clip of that module lands over exactly those words.

Captions come from six style packs. Music sits under it for 20 credits a track.

That is a finished ad rather than a clip you take somewhere else. Most presenter tools hand back the clip.

The plain facts. Rendered audio caps at five minutes. A filmed source take caps at three.

There is no timeline, by design. Every lever is a decision about the ad.

The permission rule holds without exception. The portrait is yours or belongs to somebody who gave explicit written permission.

Questions people ask

Can I render a whole lesson in one go?
Up to five minutes of audio per render, at 1,600 credits. Anything longer arrives as separate files. The credit cost makes it impractical before the file joining does.
Will students mind a generated instructor?
For an intro card, rarely. For the teaching, often, because teaching depends on the impression that somebody is responding to them.
What is the best use of a small credit budget?
The course ad. One forty second rendered 9:16 ad is about 374 credits finished, and it is the only asset here that has to compete in a feed.
Who should not use avatars for a course?
Anybody teaching a hands-on skill, and anybody whose students chose the course for the instructor. Film in three minute takes at 100 credits a batch. Keep the render for the promotion.

Render the ad that sells the course. Film the course. The ad comes back finished, captions and b-roll included.

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