6 Best Philosophy Courses: Ethics to AI Ethics

Anthropic has a resident philosopher advising on how its models should behave. So does Google DeepMind. OpenAI’s Sam Altman brought in “moral philosophers” to help write rules for ChatGPT.

The questions philosophers have argued over for centuries: what we owe each other, what counts as knowledge, whether a machine can think, are no longer confined to journals or textbooks. They show up in product decisions now.

I reviewed courses across seven areas: introduction to philosophy, free intro, ethics, logic, ancient philosophy, science and religion, and political philosophy, and curated a short section on how philosophy meets AI.

Shortcuts

• How I Picked the Best Philosophy Courses
• The Best Philosophy Courses
• Where Philosophy Meets AI (Resources)

Which Philosophy Course Is Right for You?

How I Picked the Best Philosophy Courses

Class Central has more than 250,000 courses and programs across 12,000 subjects. Philosophy alone has over 1,700 courses, from short paid specializations to free lectures.

For this guide, I went through Class Central’s philosophy catalog and checked ratings, reviews, and syllabi. I also looked outside the usual MOOC platforms.

I checked each course on four criteria:

• Reader relevance: I covered the core branches: ethics, logic, ancient philosophy, political philosophy, and science and religion.
• Practical engagement: I chose courses with assignments or argument-writing exercises over simple lectures.
• Credential value: I prioritized courses backed by reputed institutions with learner ratings

P.S. A couple of picks here are free-to-audit courses from Harvard and MIT. They are older, but still very relevant.

Best Introduction to Philosophy Course (University of Edinburgh)

In Introduction to Philosophy, seven University of Edinburgh philosophers teach epistemology, philosophy of mind, philosophy of science, moral philosophy, and metaphysics. Each week, a different specialist walks you through a live dispute in their field.

By the end, you’ll be able to construct a philosophical argument and evaluate one built by someone else.

The same Edinburgh team teaching the course also wrote a companion book, Philosophy for Everyone. It’s optional reading, not required, with a chapter, glossary, and study questions for each week.

You’ll look at:

• Whether moral judgments describe objective facts or personal preference
• What knowledge is, and whether skepticism can be answered
• Whether scientific theories need to be true to be useful
• What a mind is, and whether it can be explained as a program running on a brain
• Free will, determinism, and the logic of time travel

Best Free Philosophy Course (Open University)

Introducing Philosophy draws from Nigel Warburton’s Arguments for Freedom and uses Isaiah Berlin’s theory of positive and negative freedom as its central case study, walking through how philosophers build and test an argument. It teaches the method of studying philosophy, not a survey of the field.

Once you complete it, you’ll be able to offer arguments for and against a philosophical position and apply basic philosophical reasoning techniques.

It also breaks down what studying philosophy involves: reading philosophical texts differently from how you’d read a novel, discussing them, and writing structured arguments, the three skills the OU says the full module is built around.

The course is text-based, built from written activities, and ends with a free Statement of Participation.

You’ll learn:

• Isaiah Berlin’s distinction between positive and negative liberty, used as a worked example
• How to construct an argument for a philosophical position, and one against it
• The kinds of activities and assignments used in university-level philosophy study
• Basic philosophical reasoning techniques, applied at an introductory level

Best Ethics Course (Yale)

Yale psychologist Paul Bloom built Moralities of Everyday Life from cognitive science, developmental psychology, evolutionary psychology, neuroscience, and behavioral economics rather than moral philosophy in the traditional sense.

You’ll understand competing explanations for where moral judgment comes from, and be able to evaluate empirical claims about human behavior rather than just abstract ethical theories.

Each week also includes a recorded “office hours” conversation between Bloom and a graduate student, filmed informally, which multiple learners called out as the most valuable part of the course for admitting uncertainty and digging into nuance the main lectures don’t cover.

You’ll learn:

• Where empathy and compassion come from, and whether more empathy isn’t always good
• Whether any part of morality is universal, using cross-cultural research and studies of moral behavior in infants
• How culture, religion, and political belief shape what people consider right or wrong
• Why moral behavior shifts under unconscious situational pressure, and what that means for free will and responsibility
• Racial and ethnic bias, and whether people can ever be truly altruistic toward strangers

Best Ancient Philosophy Course (University of Pennsylvania)

Ancient Philosophy: Plato & His Predecessors opens with the Presocratics: thinkers who searched for a single material principle behind everything that exists. From there it moves to Parmenides’ challenge to change itself, then to Socrates and Plato on virtue, justice, and the nature of reality.

At 80 hours, this is the longest course in this guide. Meyer chaired Penn’s philosophy department for seven years before recording it.

Over 12.6K students have taken this course, and the assignments are AI-graded. It’s also the first half of a two-part series, paired with a separate course on Aristotle.

You’ll learn:

• The Presocratic search for a single material principle underlying the cosmos, from Thales through Heraclitus
• Parmenides’ argument that change itself isn’t logically coherent, and how later thinkers tried to answer it
• Plato’s portrait of Socrates, and why he treated “how should I live” as philosophy’s central question
• Whether virtue can be taught, and Socrates’ claim that learning is really a form of recollection
• Plato’s theory of Forms, and his argument that reality is more than what we perceive

Best Philosophy of Science and Religion Course (University of Edinburgh)

In Philosophy, Science and Religion: Religion and Science, you go through Tim Maudlin on cosmology, Graham Priest on Buddhism, Kevin Scharp on intelligent design, and two others on theology. The course treats science and religion as two ways of answering the same questions, not as rivals fighting over the same territory.

You’ll be able to evaluate whether intelligent design counts as science, weigh the Fine-Tuning Argument for God’s existence, and compare Buddhist and scientific accounts of the self.

You’ll learn:

• Competing origin-of-the-universe accounts from religion, philosophy, and physics, taught by NYU physicist Tim Maudlin
• Buddhist ideas like no-self and the Four Noble Truths, and their surprising overlap with quantum entanglement
• Whether intelligent design counts as science, and the Fine-Tuning Argument for God’s existence
• How Christian theology handles animal suffering and the Fall once evolution is accepted as true
• Whether human uniqueness holds up scientifically, and what that means ethically if it doesn’t

Best Political Philosophy Course (HarvardX)

Justice is Michael Sandel’s actual Harvard lecture, recorded in front of real undergraduates rather than staged for the camera. Aristotle, Locke, Kant, Mill, and Rawls all get debated in real time.

Its opening lecture, on the trolley problem and the ethics of killing, is the most-watched Harvard lecture ever posted to YouTube.

By the end, you’ll be able to explain the philosophical theory behind your own view on a political issue, and name the strongest argument against it.

You’ll learn:

• Whether affirmative action and income redistribution can be justified, using Aristotle, Locke, Kant, Mill, and Rawls as competing frameworks
• Whether markets have moral limits, and which goods, if any, shouldn’t be bought or sold
• Arguments for and against equality, and how they clash with arguments for individual rights
• Same-sex marriage and other rights debates, examined through competing theories of justice rather than political allegiance
• Dilemmas of loyalty between personal relationships and public duty, and what justice demands when they conflict

Where Philosophy Meets AI

Ethics of AI — University of Helsinki

Free course, no coding needed. Developed with the cities of Amsterdam, Helsinki, and London, this course works through real cases: facial recognition, algorithmic bias, automated decisions, with seven chapters and no exam.

Big Data, Artificial Intelligence, and Ethics — UC Davis

This course has two hands-on labs, IBM Watson’s language analysis and Google’s Teachable Machine, leading into a closing module on ethics and attention-economy design.

Minds and Machines — MITx

Alex Byrne’s philosophy of mind course builds through the Chinese Room, the Turing Test, dualism, and the hard problem of consciousness. It runs periodically through MITx Online, so check the course page for the next open session.

Human Compatible: Artificial Intelligence and the Problem of Control

Stuart Russell, one of Berkeley’s own AI researchers, lays out the control problem: why an AI that follows instructions perfectly can still cause harm, and what it would take to build one that stays genuinely aligned with human intentions.

Hi-Phi Nation — Barry Lam, Slate

Barry Lam, a philosophy professor at UC Riverside and Princeton, turns real stories into philosophical arguments. Recent seasons covered chatbot romance, AI-generated music, and digital avatars of the dead, rated 4.5 stars across more than 10,000 reviews.

The AI Ethics Brief — Montreal AI Ethics Institute

A free, bi-weekly newsletter from the Montreal AI Ethics Institute, an international nonprofit founded in 2018. Read by more than 15,000 subscribers and backed by the Institute’s own annual State of AI Ethics Report.

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