ChatGPT Prompt Engineering for Developers vs Machine Learning Scientist with Python
Same Bayesian formula, same rubric — so the difference in scores reflects the difference in the courses, not the difference in how we evaluated them.
DeepLearning.AI (with OpenAI) · AI & ML Courses
ChatGPT Prompt Engineering for Developers
DataCamp · AI & ML Courses
Machine Learning Scientist with Python
Per-criterion
Two core principles (write clear and specific instructions, give the model time to think) plus modules on iterative prompt development, summarizing, inferring, transforming, expanding, and building a chatbot. Reviewers praise the clarity and the runnable Jupyter notebooks. The honest limit is depth: it was built in April 2023 on GPT-3.5 Turbo and does not cover newer patterns like tool calling, structured outputs, or reasoning models.
Isa Fulford (OpenAI) and Andrew Ng (DeepLearning.AI) are about as authoritative as the field gets. The teacher-student dynamic — Ng asking the clarifying questions a beginner would ask while Fulford demonstrates — is repeatedly cited as a strength that mirrors how learners actually think.
Free on the DeepLearning.AI platform with every code example runnable in-browser, no API key or local setup required. Reviewers consistently call out "the best part is that it's free" as a decisive advantage over the paid prompt-engineering courses that flooded the market in 2023.
Being a one-hour self-paced short course, there is no graded assignment, cohort, or mentor support. The OpenAI and DeepLearning.AI community forums are active and useful, but learners are largely on their own. For a course this short the need is limited, but there is no structured help.
Six practical use cases implemented end-to-end give learners patterns they can apply the same day. Developers report it directly improved their ability to build LLM features. The caveat is that the API-level patterns are a foundation, not a production blueprint — several reviewers wanted more on structuring LLMs into real applications.
Career track is broad and well-sequenced across 23 courses, but reviewers consistently describe the ML chapters as "crash courses" — useful introductions that lack the depth of Coursera, edX or fast.ai.
Individual instructors like Andreas Müller, Allen Downey and Hugo Bowne-Anderson get strong praise, but there is no single pedagogical voice across the 23-course track and reviewers note quality varies course by course.
At roughly $13-16 per month on the annual plan the breadth of access (600+ courses) is hard to beat. Monthly billing at $39 and the year-two renewal price draw consistent complaints.
No live mentorship or cohort Q&A — learners self-direct through hints, AI assistant and community forums. The DataLab AI explainer helps but is not a substitute for human support.
Sandbox environment removes setup friction but does not teach IDEs, virtual environments, git or messy real-world data pipelines. Fill-in-the-blank exercises limit independent problem-solving.
Scoring methodology applies identically to every course on the site — see the formula.