Skip to content
Lumina

Course bundle · Core + one specialty

Complete · Cost and latency

Compare what each successful task costs, how long it takes and whether the result still meets your quality bar.

modules
16
Python labs
15

Launch priceUS$240Regular price US$300

15 days to request a refund through Hotmart after purchase.

Fictional example

Try this decision

  1. What happenedA new model costs less per call, but tasks that use tools take longer.
  2. What to testRun the same tasks on both versions. Group the ones that use tools and measure them separately.
  3. What to recordUse cost, time and quality together to decide whether the change is worth shipping.

Who it’s for

For engineers deciding whether to switch models, reuse previous results or send different tasks to different models.

What you get

  1. Core · The method

    9 modules · 8 optional Python labs

    Recognize the failure, choose a check and explain the release decision. Work through the main exercises without writing code.

  2. The Cost & Latency Harness

    7 modules · 7 Python labs

    Apply the same method to this specialty, with its own reading and offline Python labs.

How it works

Reading and practice
After payment, download the bilingual ZIP from your Hotmart library. Extract it on a computer and open START-HERE.html in your browser.
What you need
A computer and browser for reading. Use Python 3 and a terminal for the labs.
Price and currency
The price is in US dollars. Hotmart shows the final currency and total before payment.
License and updates
Personal license for the downloaded edition, with 12 months of package updates.