Four stacks — not a "good and bad" list, but four candidates for a long road together 🧭.
Don't picture this as a feature comparison sheet. Picture choosing not a tool but a travelling companion. One is reliable and predictable but demands resources. Another is free and cheap but leaves everything resting on you. A third is the one who's there when the others are out of reach. You're not after "the best in general" — you're after the one who fits your temperament, your budget, your plans.
Catch that feeling in your head: who are you walking with right now? — then click the matching card below.
💡 Кликни карточку — её стек запомнится и AgentBlock-секции в следующих уроках будут фильтроваться под него.
💡 Your selection is remembered in the browser. In later units, command and hands-on sections will be filtered to match. You can change it anytime — click another card or use the stack switcher.
Getting it wrong is fine: it is part of learning. Guessing first helps the answer stick later, and the answer itself comes after the explanation.
Copy your personal prompt and paste it into your agent's learn mode — it picks up your context and takes you forward.
Honestly: with AI it feels like you can do more than you can without it. After practice, check yourself without AI. (Bastani et al., PNAS 2025)
Explains the material using the course method.