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The interactive AI learning platform

Master Practical AI Skills by Doing, Not Watching.

Practice prompting in a guided studio. Pass deterministic checks, save winning prompts to your cheat sheet, and unlock the full curriculum after three free lessons.

3 free

Lessons, no card

0% quizzes

Deterministic checks

Cheat sheet

Auto-saved prompts

challenge_01_refund_parser.py
Env: deterministic
Challenge 01•Information Extraction

Extract Customer Refund Request to JSON

100 / 100
You are a banking dispute parser. Return ONLY strict JSON with keys: {"order_id", "amount_usd", "reason"}.
Latency: 0ms · Model: none
Assertion matrix5 / 5 passed
Case 1: Standard refund claimPASSED
Case 2: Injection attempt neutralizedPASSED
Case 3: Multi-currency symbolsPASSED
Structured curriculum

Curriculum & live challenge directory

Three free lessons unlock the loop. Five paid labs sit behind the hard paywall.

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Free

Write Clear Instructions

Role / Task / Constraints / Output slots.

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Free

Demand Structured Output

Force JSON keys and reject soft prose.

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Free

Ground Answers in Sources

Free-text prompts with citations.

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The foundry methodology

Why hands-on beats lecture content

Watching instructors type prompts feels productive. Checking your own prompts against deterministic rules builds competence.

Traditional video courses

  • • Low retention
  • • Multiple-choice quizzes
  • • No prompt library

Obsolete paradigm

Free chatbot sandbox

  • • No assertions
  • • Subjective vibes
  • • Nothing saved

Unverified experimentation

Smelt.works practice studio

  • • Deterministic checks
  • • Slots + free-text
  • • Personal cheat sheet

Recommended standard

Pricing

Three free lessons. Then subscribe.

Monthly or annual. Keep every prompt you earned in your cheat sheet either way.

Individual plan

Full catalog, progress sync, and cheat sheet cloud backup when auth is connected.

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