Compare
Compare AI approaches & tools
Decision guides that map to interactive lessons — not vendor score sheets. Start here when you need a clear default, then practice with a slate.
Guides
- Chat & LLM tools compared · Chat — ChatGPT, Claude, Gemini, Perplexity, DeepSeek, and local options — how to pick a chatbot for the job.
- Education AI tools compared · Education — Tutoring, study, and admissions tools — GradGPT, Khanmigo, Duolingo, Photomath, and verification rules.
- RAG vs fine-tuning · Building — When to retrieve documents at answer time versus updating model weights — cost, freshness, and when to combine both.
- Prompting vs RAG vs fine-tuning · Building — A three-way decision guide: start with prompts, add retrieval for changing facts, fine-tune for stable style and format.
- Local LLM vs API · Building — Privacy, cost, quality, and ops tradeoffs between running models on your machine and calling a hosted API.
- Embedding models compared · Concepts — How to choose embedding models for search and RAG — open vs hosted, dimension, and hybrid search tips.
- Coding assistants compared · Using AI — ChatGPT, Claude, Copilot, Cursor, and local models — what to optimize for and how to keep acceptance tests in charge.
- TTS vs voice cloning · Voice — Stock neural voices versus cloning a specific speaker — quality, consent, and when disclosure is required.
- Free voice cloning tools · Voice — Checklist for free and freemium voice cloning: likeness, licenses, retention, and learning the craft beyond vendors.