Side-by-side comparison
AI Engineering from Scratch vs Factory
Compare features, pricing, pros & cons to decide which tool is right for you.
AI Engineering from Scratch
AI-native self-learning course to build neural networks, transformers, and LLMs from first principles

Factory
Agent-native software development platform for delegating coding tasks to AI agents
| Feature | AI Engineering from Scratch | Factory |
|---|---|---|
| Pricing | Free | Paid |
| Starting price | Free | Free |
| API available | ||
| Open source | ||
| Mobile app | ||
| Browser ext. |
AI Engineering from Scratch Key Features
- 260+ lessons across 20 phases
- Build algorithms from raw mathematics without wrappers
- Multiple programming languages (Python, TypeScript, Rust, Julia)
- Runnable code for every lesson
- Real projects including GPT, RAG systems, and agents
- Structured progression from math through production deployment
- Free and open source with no paywall
- AI glossary for jargon clarification
Factory Key Features
- IDE integration (VS Code, JetBrains, Vim)
- Web browser interface
- Command-line interface
- Slack and Teams integration
- Project manager integration
- Code refactoring
- Incident response
- Automated code review
- Self-healing builds
- Enterprise security and compliance
AI Engineering from Scratch Pros & Cons
Pros
- Completely free and open source
- Learn from first principles without magic wrappers
- Multiple programming languages supported
- Structured 20-phase curriculum
- Hands-on with runnable code and real projects
Cons
- Requires significant time commitment (~290 hours)
- Self-paced learning may lack structured guidance
- No instructor support or community interaction mentioned
Factory Pros & Cons
Pros
- Works across entire development stack without forcing tool changes
- Interface and vendor agnostic with flexible model integration
- Enterprise-grade security and compliance
- Embedded directly into existing workflows
- Reduces incident response time and MTTR
Cons
- Requires integration setup for full functionality across tools
- Pricing details not visible on main page
- Dependent on proper context and task definition for effectiveness
Frequently Asked Questions
What is the difference between AI Engineering from Scratch and Factory?
AI Engineering from Scratch is AI-native self-learning course to build neural networks, transformers, and LLMs from first principles. Factory is Agent-native software development platform for delegating coding tasks to AI agents.
Is AI Engineering from Scratch free?
AI Engineering from Scratch is Free.
Is Factory better than AI Engineering from Scratch?
It depends on your use case. AI Engineering from Scratch is best for Learning AI engineering fundamentals, while Factory excels at Automated code refactoring.
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