Learning AI for free means using courses, lessons, or open materials where you can see the full content without paying, but the word "free" online often lumps together four different things: truly free, free but certification costs money, auditing with exercises cut off, and trial then paid. This post is a selection table by goal (working person, small business owner, content creator, person who wants to code themselves), each row lists the provider, language, duration, and fee status, only checked when we opened the source page on 04/11/2026. We do not rate course quality, do not promise you will be "good at AI" after any course, and free conditions can change anytime. The Coursera group has its own table because today's check differs from many summary pages.
Choose by goal first, then check the free level on the source page. Diagram: OPCAIOS.
How is "truly free" different from "trial" and "audit"?
Truly free is a course where you learn the full content, do assignments, and receive a certificate (if any) without paying or entering a card. The other three types are easy to mix up with it and need careful reading of conditions. The second type is free content but paid certification, like Building AI from Elements of AI: certification 50 euros, including tax if any. The third type is limited audit, like DeepLearning.AI's Agentic AI course: the page says free to watch but does not include quizzes, certificates, and project tools; to get everything you need the Pro plan, 25 USD per month if paid yearly or 30 USD per month if paid monthly. The fourth type is trial then paid, like Google Prompting Essentials on Coursera. Prices checked on 04/11/2026, kept in USD or euro as on the source page; we have not converted to dong and have not checked tax in Vietnam.
Which course should you choose by goal?
Pick one goal, take one course from that group, finish it before moving to another course. The language column says "Eng" when the source page is in English and does not list Vietnamese.
Working person who wants to understand and use AI safely
| Course | Provider | Language | Duration | Fee status |
|---|---|---|---|---|
| AI Fluency: Framework & Foundations | Anthropic Academy | Eng | Not stated | Free, needs Skilljar account, has certificate |
| Claude 101 | Anthropic Academy | Eng | Not stated | Free, has completion certificate |
| Elements of AI, Introduction to AI | University of Helsinki, MinnaLearn | Eng (homepage does not list Vietnamese) | Self-paced, no hours stated | Free, certificate for this part free |
| Microsoft Learn, AI pathway | Microsoft | Eng (Vietnamese version not verified) | Varies by module | Content free, no profile needed; certification needs separate exam, fee not stated |
Small business owner
| Course | Provider | Language | Duration | Fee status |
|---|---|---|---|---|
| AI Fluency for Small Businesses | Anthropic Academy | Eng | Not stated | Free, has certificate; recommends Framework & Foundations first |
| AI for Marketers | HubSpot Academy | Eng | 2 hours 49 minutes, 6 lessons | Free, needs HubSpot Academy account; certificate not stated |
Content and marketing person
| Course | Provider | Language | Duration | Fee status |
|---|---|---|---|---|
| AI for Marketers | HubSpot Academy | Eng | 2 hours 49 minutes | Free (as above) |
| Claude 101 | Anthropic Academy | Eng | Not stated | Free; examples using Claude |
| Prompt Engineering for ChatGPT | Vanderbilt, Coursera | Eng | Modules total around 18 hours | Not confirmed, see Coursera table below |
Person who wants to code
| Course | Provider | Language | Duration | Fee status |
|---|---|---|---|---|
| Claude Code in Action | Anthropic Academy | Eng | Not stated | Free; for people who have used Claude Code |
| AI Agents Course | Hugging Face | Eng (no language list seen) | Around 3 to 4 hours per week, one chapter per week | Free, including certificate; needs Python and basic LLM understanding |
| Generative AI for Beginners | Microsoft | Has Vietnamese version | 21 lessons | Open source; running examples needs Azure OpenAI, Foundry, OpenAI API or local Foundry, these services fees not stated |
| AI Agents for Beginners | Microsoft | Has Vietnamese version | 18 lessons | Open source; examples use Microsoft Foundry needs Azure account, cost not stated |
| Agentic AI | DeepLearning.AI | Page does not state | 9 hours 55 minutes | Free audit, does not include quizzes and certificate; full features need Pro plan |
Which Coursera courses are paid, which ones haven't been confirmed as free?
Google Prompting Essentials and Google AI Essentials on Coursera are paid courses, while four other Coursera courses haven't been confirmed as free so you shouldn't treat them as free. The Google Prompting Essentials page states in full that you cannot take this course for free; in the US and Canada, Coursera charges 49 USD per month after a 7-day trial, other countries may differ. Google's grow.google page states that Google AI Essentials has the same pricing. The other four courses currently have an "Enroll for free" button, but Coursera's Q&A section says that to access assignments and receive a certificate you need to purchase the certificate package; some courses have a "Full Course, No Certificate" option and people who qualify may be able to use a trial. These course pages don't confirm there's a no-certificate option, and we haven't created an account to try it.
| Course (Coursera) | Duration on page | Conclusion as of 11/04/2026 |
|---|---|---|
| Google AI Essentials | Under 5 hours | Paid: 49 USD per month in US and Canada after 7-day trial |
| Google Prompting Essentials | 4 hours | Paid: page states "cannot study for free", same 49 USD rate |
| AI For Everyone (Andrew Ng) | 7 hours | Unconfirmed; assignments and certificate require purchase, may have trial or no-certificate option |
| Generative AI for Everyone (Andrew Ng) | 6 hours | As above |
| Prompt Engineering for ChatGPT (Vanderbilt) | Modules around 18 hours | As above |
| No-Code AI Foundations for Business Professionals | 3 hours | As above |
Note: Google Cloud posted on 12/03/2025 that Google AI Essentials on Google Skills is in the "no credit needed" group and has a certificate. We haven't been able to access that course page, so we haven't confirmed this version is free today. OpenAI Academy and the Introduction to Generative AI course (45 minutes) on Google Skills also have pages that don't list costs, so we've left them out of the table.
How to avoid wasting time learning AI for free
Collecting courses wastes more time than learning does. Follow five things:
- Write one goal sentence based on real work, for example "draft emails replying to customers faster", then choose exactly one course from the matching group.
- Study only one course at a time. Open the second course only after you finish the first one.
- After each lesson, apply it right away to something you do that same day.
- Read the fee terms on the original page before entering your email or card; if you see "free trial" or "7-day" then treat it as paid until the trial ends.
- If you want a pre-ordered roadmap, use learning AI for beginners (4 weeks, 4 courses) instead of putting together your own.
Office work: AI for office people. How to give orders to AI: what is a prompt.
OPCAIOS's experience
OPCAIOS is a website built by one person, Le Quoc Nghia, together with AI agents. The site's tool library has a section of courses we have selected, and this post takes courses from there and cross-checks them against each provider's original page; where the two sources differ we use the original page as the standard, like the Coursera group above. Real limitations: we haven't finished learning all the courses in the table so we can't compare quality, we have no students outside, and we haven't measured how long it takes anyone to complete. Nghia uses AI tools every day; that's user experience, not proof that any course is effective.
Frequently Asked Questions
Where can I learn AI for free reliably?
The most reliable sources are the providers' own pages: Anthropic Academy, Microsoft Learn, HubSpot Academy, Hugging Face, Elements of AI, because they list the terms right on the page. Avoid aggregated lists that don't link back to the original pages, because free conditions change quickly.
Do free AI courses come with certificates?
It depends on the course. According to the original pages, Anthropic Academy lists a completion certificate, free of charge; Elements of AI issues an Introduction to AI certificate for free but the Building AI certificate costs 50 euros; Hugging Face Agents Course has a free certificate. Coursera and DeepLearning.AI courses usually require payment for a certificate. A certificate doesn't prove you can do the work.
Can I learn AI for free in Vietnamese?
Very few in this list. Two Microsoft courses have Vietnamese translations in their source repositories, while the rest we read are either in English or don't list Vietnamese. You can ask an AI assistant to explain terms, then compare with the original at important points. We haven't measured comprehension when learning through translation.
If I can't program, which course should I start with?
Start with the "working professionals" group: AI Fluency: Framework & Foundations or Claude 101 from Anthropic, or Introduction to AI from Elements of AI—their homepages say you don't need complex math or programming. The "self-coding" group needs basic Python or TypeScript according to Hugging Face and Microsoft pages. These are recommendations based on the conditions listed on the pages.
Are free AI courses really enough to get a job?
We don't know and we don't promise. Free courses help you understand concepts and try tools; your job outcome depends on how you apply them, and we haven't measured that with anyone.
Next Steps
Open the tool and course library in /tien-ich, filter by free courses, pick exactly one course in your target group, and check the fee terms on the original page before signing up.
Source: original pages from Coursera (Google AI Essentials via grow.google, Google Prompting Essentials, AI For Everyone, Generative AI for Everyone, Prompt Engineering for ChatGPT, No-Code AI Foundations), Anthropic Academy on Skilljar, Elements of AI, HubSpot Academy, Microsoft Learn and two Microsoft GitHub repositories, Hugging Face Agents Course, DeepLearning.AI, Google Skills and Google Cloud post dated 03/12/2025, read 04/11/2026. Not verified: quality of each course, duration of Anthropic courses, subtitles, Google AI Essentials version on Google Skills, OpenAI Academy, Kaggle, freeCodeCamp and YouTube videos in the library (not reopened today), price in đồng and tax. Experience is from OPCAIOS.
Translated from Vietnamese with AI. Read the original.
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