5 free resources on this topic. Everything here is free and hand-picked. You can also search within this topic.
An arXiv paper showing how message-passing techniques let language models reason more efficiently, with the full text free to read and download.
Why I recommend it: A preprint — not yet peer-reviewed, so treat the results as preliminary until the work is replicated or published.
DeepSeek's chat assistant. Free tier gives unlimited messages and file uploads on a daily-reset quota; no payment required. One of the most significant free AI releases of the past two years.
Why I recommend it: Worth trying on reasoning-heavy work and long documents. Note it is a Chinese service — read its data terms before pasting anything confidential.
Eliezer Yudkowsky's collected essays on reasoning, bias and AI risk, free to read online in full.
From the site: Between 2006 and 2009, senior MIRI researcher Eliezer Yudkowsky wrote several hundred essays for the blogs Overcoming Bias and Less Wrong, collectively called
Why I recommend it: Long, opinionated and free. Read it for the thinking habits, not as settled fact.
Robin Hanson's long-running blog on why we believe and do what we do, and what our descendants might do — free to read.
From the site: This is a blog on why we believe and do what we do, why we pretend otherwise, how we might do better, and what our descendants might do, if they don't all die. Click to read Overcoming Bias, by Robin Hanson, a Substack publication with tens of thousands of subscribers.
Why I recommend it: Deliberately contrarian. Useful for pressure-testing your own assumptions.
Eliezer Yudkowsky's free novel-length story teaching scientific reasoning, cognitive bias and decision-making through fiction; widely read as an entry point to rationality writing.
Why I recommend it: An unusual entry, but it is free and it teaches how to test your own reasoning better than most textbooks.
