Every topic in this category, with what it actually holds today.
| Topic | Courses | Free | Avg rating | With certificate | Monthly searches |
|---|---|---|---|---|---|
| Data Science | 27 | 5 | 4.5★ | 25 | 74K |
| Data Analytics | 39 | 2 | 4.5★ | 38 | 33.1K |
| Artificial Intelligence | 33 | 10 | 4.3★ | 32 | 18.1K |
| Machine Learning | 21 | 1 | 4.5★ | 21 | 12.1K |
| Business Analytics | 4 | — | 4.4★ | 4 | 6.6K |
| Tableau | 4 | — | 4.6★ | 4 | 1.9K |
| Deep Learning | 3 | — | 4.4★ | 3 | — |
| Generative AI | 17 | 2 | 4.5★ | 16 | — |
| Data Engineering | 8 | — | 4.5★ | 8 | — |
| Big Data | 2 | 1 | 4.6★ | 2 | — |
| Natural Language Processing | 2 | — | 4★ | 2 | — |
| Computer Vision | 2 | — | 4.6★ | 2 | — |
| Prompt Engineering | 11 | 4 | 4.4★ | 11 | — |
| Data Visualization | 6 | 2 | 4.5★ | 6 | — |
| Statistics | 6 | 3 | 4.5★ | 5 | — |
1 more Data Science & AI topic are being compared and will appear as courses are added.
Ranked by rating, learners and value across every provider we track.
The Data Science & AI category covers a wide range of fields focused on extracting insights from data and building intelligent systems. This includes data science, machine learning, artificial intelligence, and various types of analytics. While related, each area has a distinct focus. Data Analytics courses concentrate on examining past data to understand trends and make informed decisions. Data Science courses go deeper, involving predictive modeling, statistical analysis, and programming to find patterns and forecast future outcomes. Artificial Intelligence courses focus on creating machines that can perform human-like tasks, while Machine Learning courses specifically deal with algorithms that allow systems to learn from data without explicit programming. Within AI, you also find specialized areas like Deep Learning courses and Generative AI courses.
| Your Goal | Topic to Start With | Example Course |
|---|---|---|
| Understand business trends and performance | Business Analytics courses | Microsoft Power BI for Data Analysis (Free Course) |
| Analyze data for actionable insights | Data Analytics courses | Google Data Analytics Professional Certificate |
| Build predictive models and intelligent systems | Artificial Intelligence courses | Introduction To Artificial Intelligence |
| Become a data scientist | Data Science courses | The Data Science Course: Complete Data Science Bootcamp 2026 |
Many beginner Data Science & AI courses are available. Some providers do not publish prices directly, so you may need to check their official websites. However, there are many free options. For instance, Udemy offers several free courses like Artificial Intelligence Markup Language (AIML), Introduction To Artificial Intelligence, and Generative AI & Prompt Engineering. These courses often come with a certificate upon completion.
The duration for beginner courses varies. A comprehensive program like the Google Data Analytics Professional Certificate takes about 6 months to complete at a self-paced learning speed. Shorter bootcamps, such as the Complete A.I. & Machine Learning, Data Science Bootcamp, can be completed in around 44 hours. Many free courses are shorter, offering quick introductions to specific topics.