| Learn Prompting | 4.0/5 | Absolute beginners, business professionals, and non-coders who want practical, research-grounded prompting skills | Intro course ~1 week self-paced (their blog says ~3 days, 12 lessons); 'ChatGPT for Everyone' ~1 hour | Freemium — Basic free tier; Plus around $39/month or $21/month billed annually with a 3-day trial, as of August 2026; check current pricing |
| DeepLearning.AI Short Courses | 4.3/5 | Developers, PMs, and career-switchers who want fast, credible briefings on specific GenAI techniques — prompting, RAG, agents, fine-tuning | One evening per course; official membership guidance is 3–5 hours/week | Freemium — videos free; labs and certificates require Pro (around $30/month or $25/month billed annually, as of August 2026); check current pricing |
| Hugging Face smol course | 3.8/5 | Engineers who want a free, hands-on introduction to LLM post-training (SFT, DPO, evaluation) on consumer hardware | Officially ~1 week per unit at 3–4 hours/week; 4 of 7 units published as of August 2026 | Free — minimal GPU requirements, no paid services required |