Reddit Spotlights Stanford's Open CS25 Transformers Course for Spring 2026

A Reddit post in r/MachineLearning about Stanford's CS25 Transformers course reached 140 upvotes and 16 comments during this crawl, which is a meaningful signal for an academic community post rather than a product launch. The post highlighted that the course is open to the public, with livestream access and published recordings instead of a closed on-campus format.

The Stanford course page describes CS25: Transformers United V6 as the sixth iteration of a seminar series focused on Transformer research and its downstream impact. The page says the course has drawn millions of YouTube views over time and has featured well-known researchers such as Geoffrey Hinton, Ashish Vaswani, and Andrej Karpathy across prior iterations. For Spring 2026, the listed schedule runs from March 30 to June 3, with weekly Thursday sessions from 4:30 to 5:50 pm PDT.

What makes this notable

Anyone can audit the course in person or join via Zoom. Stanford affiliation is not required.

Recorded lectures are published, which makes the material reusable beyond the live session.

The course scope is broader than core NLP, explicitly tying Transformers to applications in art, biology, and robotics.

The first listed Spring 2026 session on April 2 was an overview of Transformer history, operation, recent trends, and open challenges.

The course also points readers to a Discord community with more than 5000 members.

The timing matters. Open courses used to be a side channel for learning modern ML. Now they function as recurring public infrastructure for keeping up with fast-moving model and systems work. Reddit readers were effectively treating CS25 as a live knowledge feed, not just as a university class.

For Insights readers, CS25 is worth watching because it combines academic framing with public distribution. That makes it a useful bridge between frontier research discussion and practitioner learning. Original source: CS25: Transformers United V6. Community thread: r/MachineLearning discussion.