Free Prompt Engineering Course with Certificate

Prompt Engineering for ChatGPT

Updated with GenAI for 2026
star 4.58  Beginner level 3.0 learning hrs 229.7K+ Learners

Learn LLM training, GPT architecture, tokenization, model deployment, prompt engineering, and ChatGPT 4.5, o1, and o3-mini use cases. Enroll in this Free Prompt Engineering Course to write better prompts and improve AI outputs.

Instructor:

Vishnu Subramanian

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English Español

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About this course

This Prompt Engineering for ChatGPT course equips you with the essential skills to understand how Large Language Models are trained, how they generate responses, and how prompts influence AI output quality. You’ll learn LLM training and inference, OpenAI’s model evolution, GPT architecture, tokenization, model deployment, token usage, and the role of tokens in performance and interaction. The course also covers how Generative AI solutions are operationalized in real-world environments through deployment, monitoring, scalability, and business use cases.


You’ll also learn the fundamentals of prompt engineering, including how to create effective prompts that produce clearer, more accurate, and more useful responses. Through sample prompt executions in ChatGPT 4.5, o1, and o3-mini, you’ll compare model outputs and understand when to use each model more effectively. By the end of this AI prompt course, you’ll be able to write better prompts, evaluate AI responses, understand model behavior, and apply Generative AI more confidently across workplace, content, research, and productivity tasks.




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Course outline

LLM Training and Inference

In this module, we will learn how Large Language Models are trained using vast datasets and how they generate responses through the inference process.

Open AI Journey and GPT Training

In this module, we will explore the evolution of OpenAI models, understand the development of GPT architectures, and learn the fundamentals of how these models are trained.

The Significance of LLM Tokenization

In this module, we will understand tokenization, how text is converted into tokens, and why tokenization is essential for processing and generating language effectively.

Model Deployment and Token

In this module, we will learn the basics of deploying language models, understand token usage, and explore their role in model interaction and performance.

Operationalizing Generative AI

In this module, we will explore how Generative AI solutions are implemented in real-world environments, focusing on deployment, monitoring, scalability, and business applications.

Introduction to Prompt engineering

In this module, we will explore the fundamentals of Prompt Engineering, understand the characteristics of effective prompts, and learn how prompts influence AI-generated outputs.

Introduction to ChatGPT 4.5, o1 and o3-mini

In this module, you will learn about the features and functionalities of ChatGPT 4.5, o1, and o3-mini, including their key improvements.

Sample Prompts Execution in ChatGPT 4.5, o1 and o3-mini

In this module, you will learn how to execute sample prompts, exploring varied outcomes across ChatGPT 4.5, o1, and o3-mini for optimal usage.

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ChatGPT

Get access to the complete curriculum once you enroll in the course

This course is ideal for

  • AI enthusiasts exploring prompt optimization.
  • Content creators wanting to generate precise outputs.
  • Marketing professionals seeking reliable AI content.
  • Developers looking to optimize LLM interactions.

Prompt Engineering for ChatGPT

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3.0 Hours

Beginner

229.7K+ learners enrolled so far

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Learner reviews of the Free Courses

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Reviewer Profile

5.0

India
“Mastering Prompt Engineering for Generative AI”
This course explores prompt engineering for Generative AI, focusing on crafting effective prompts. Participants learn principles of clarity and specificity, common patterns, and strategies to enhance model performance. Real-world applications in various fields demonstrate the importance of effective prompting.
Reviewer Profile

5.0

India
“Transformative Insights into Generative AI and Prompt Engineering”
I thoroughly enjoyed the learning experience, particularly the hands-on approach to prompt engineering. The clarity of the concepts and practical examples helped me grasp complex ideas easily. I appreciated the focus on real-world applications, which made the content relatable and engaging. The interactive elements kept me motivated, and I feel more confident in applying what I've learned in various domains. Overall, it was an enlightening experience that sparked my curiosity further.
Reviewer Profile

5.0

“Course is Very Good and Knowledge Base”
I appreciate the prompt engineering training provided, as it offers clear and informative content that enhances my understanding of the subject. The structured approach makes it easy to grasp complex concepts, enabling me to apply the strategies effectively. The clarity in explanations not only aids in learning but also encourages practical application, making the training highly valuable for anyone looking to improve their skills in Generative AI.
Reviewer Profile

5.0

India
“Engaging and Informative Course on Prompt Engineering”
I found it to be highly informative and well-structured. The course content was comprehensive, covering everything from the basics of prompt engineering which really helped me understand how to create more effective and targeted prompts. The instructors explained concepts clearly, with practical examples that were easy to follow and replicate. Overall, I feel more confident in using ChatGPT after taking this course, and I would highly recommend it to anyone interested in mastering prompt engineering.
Reviewer Profile

5.0

India
“A Good Prompt is Clear, Specific, Engaging, and Provides Context”
The ChatGPT course offers an insightful exploration of AI language models. I appreciated how it breaks down complex concepts into understandable segments, highlighting practical uses for ChatGPT. The interactive examples helped reinforce key ideas, and the focus on ethical considerations and best practices was valuable. The course also provided valuable tips for maximizing the efficiency of ChatGPT in various contexts, from creative writing to problem-solving, making it a comprehensive learning experience.
Reviewer Profile

5.0

India
“Overall, a Highly Valuable Learning Experience!”
I thoroughly enjoyed this course! The instruction was clear and engaging, making even complex topics easy to understand. The curriculum was well-structured and covered all the essential aspects in a logical sequence. The materials and exercises were easy to follow, allowing me to learn at my own pace and retain the concepts effectively.
Reviewer Profile

5.0

India
“Highly Recommended for Anyone Looking to Enhance Their Skills!”
I genuinely appreciated the course and found it to be an enriching experience overall. The engaging content, coupled with the knowledgeable instructors, made the learning process enjoyable and informative. I particularly loved how the material was presented, which kept my interest alive throughout. I’m excited to apply what I’ve learned!
Reviewer Profile

5.0

“The Course on Great Learning Was Informative and Engaging”
The course on Great Learning was a highly enriching experience. It offered well-structured content with a perfect balance of theory and practical applications. The interactive sessions, expert instructors, and real-world case studies provided valuable insights. The course helped enhance my skills and knowledge, making it a valuable investment for my career growth and professional development.
Reviewer Profile

5.0

India
“Completing the Generative AI Course Was an Enlightening Experience”
Completing the generative AI course has significantly enhanced my problem-solving abilities in several ways: Creative Solution Generation: The course taught me how to leverage generative AI tools to brainstorm and generate innovative solutions to complex problems, fostering a more creative approach to challenges. Data-Driven Decision Making: I learned to utilize AI for predictive analytics and data insights, which improved my ability to make informed decisions based on evidence rather than intuition alone.
Reviewer Profile

5.0

India
“It Was a Great Learning, the Explanations Were Great.”
I was really looking for a good course to learn prompt engineering and ChatGPT. The courses I found turned out to be difficult for me, but in this course, the teaching technique of the instructor was really good, and I was able to understand all the topics clearly. Thanks to the Great Learning team for providing such a great course for free!

Our course instructor

instructor img

Vishnu Subramanian

Data Scientist & AI Engineer

ChatGPT and Generative AI Expert

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254.4K+ Learners
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2 Courses
Vishnu Subramanian Iyer is an experienced Data Scientist and AI engineer currently working as an Associate Manager at Accenture. With expertise in Large Language Models, Deep Learning, and Generative AI, he has held roles in organizations like Great Learning and the Government of Delhi. Vishnu also holds advanced degrees in Data Science and International Business.

Frequently Asked Questions

Will I receive a certificate upon completing this free course?

Yes, upon successful completion of the course and payment of the certificate fee, you will receive a completion certificate that you can add to your resume.

Is this course free?

Yes, you may enroll in the course and access the course content for free. However, if you wish to obtain a certificate upon completion, a non-refundable fee is applicable.

What is the salary of a prompt engineer in 2026?

Prompt engineer salaries in 2026 (Glassdoor):

  • Entry-level (US): $90,000 to $140,000
  • Senior (US): $200,000 to $340,000 at OpenAI, Anthropic, Google
  • Entry-level (India): ₹4.2 to ₹6.8 LPA
  • Senior (India): ₹16 LPA and above at AI-first companies

A recognized AI prompt engineering course is now a common hiring prerequisite for these roles.

How long is the Free Prompt Engineering for ChatGPT Course?

The AI prompt engineering course is 3 hours long and self-paced. It has 8 modules:

  1. LLM training and inference
  2. OpenAI journey and GPT training
  3. Tokenization
  4. Model deployment and tokens
  5. Operationalizing generative AI
  6. Introduction to prompt engineering
  7. ChatGPT 4.5, o1, and o3-mini
  8. Hands-on sample prompts

What is Generative AI and why is it important?

Generative AI creates new content such as text, code, or images. It enables machines to produce original outputs, with applications across creative writing, software development, research, marketing, and problem-solving.

What will I learn in the Free Prompt Engineering for ChatGPT Course?

The AI prompt course covers effective prompt writing for ChatGPT and other LLMs:

  • Prompt fundamentals
  • Zero-shot and few-shot prompting
  • Role-based prompts
  • Instruction prompts
  • Refinement techniques
  • GPT-4.5, o1, and o3-mini models

Skills apply to writing, research, coding, marketing, and analysis.

What are LLMs (Large Language Models) and how do they work?

LLMs are advanced NLP models trained on large volumes of text. They understand and generate human-like text based on input prompts, and are the foundation of tools such as ChatGPT, Claude, and Gemini.

Who should learn prompt engineering?

You can learn prompt engineering for free through this course if you use ChatGPT or other LLMs professionally.

Target audiences include:

  • Content writers and marketers
  • Developers and analysts
  • Founders and product managers
  • Students and business users

The course is beginner-friendly with no AI prerequisites.

Is the Free Prompt Engineering for ChatGPT Course beginner-friendly?

Yes. The AI prompt engineering course is designed for beginners. No prior AI or technical knowledge is required. It starts with LLM and prompt fundamentals and builds skills step by step across 8 modules.

What are the basics of Prompt Engineering?

Prompt Engineering involves crafting precise instructions for LLMs to generate desired outputs, understanding model capabilities, and refining prompts through experimentation.

Will I have lifetime access to the Free Prompt Engineering for ChatGPT Course?

Yes. Once enrolled, you retain lifetime access to the Prompt Engineering for ChatGPT course on Great Learning Academy. You can log in and resume learning at your own pace at any time.

How much does the Free Prompt Engineering for ChatGPT Course cost?

The AI prompt engineering course is 100% free to enroll and complete. A one-time non-refundable certificate fee applies only if you wish to claim the completion certificate. There are no subscriptions, upsells, or hidden charges.

Which advanced programs help me move from prompt writing to generative AI applications?

Prompt engineering is a useful starting point for working with generative AI tools. To move from prompt writing to real applications, learners should build skills in LLM workflows, RAG, AI agents, output evaluation, and business use cases. Learners looking for a structured Generative AI Course can explore the IIT Bombay Certificate in Generative AI, which focuses on building and managing GenAI applications, or the Johns Hopkins Applied Generative AI and Agentic AI Certificate Program, which focuses on applying GenAI and agentic AI to practical business problems. You can choose based on your current skills, career goals, and the type of GenAI applications you want to build.

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