A new paper from MIT CSAIL introduces a simple but powerful shift: instead of forcing AI to answer once, make it reason like a system that can inspect, decompose, and verify its own work before committing. The technique is called Recursive Language Models (RLMs). It makes ChatGPT reason more like a review panel than a single confident voice, and it delivers materially better results than standard prompts, with reported gains above 100%. Inside this articleIf you use AI for anything that matters, this is the piece to bookmark. Here is exactly what you will get:
The one-line ideaMost LLM failures are not reasoning failures. They are context management failures. RLMs fix this by moving the prompt out of the model and letting the model interact with it programmatically. Instead of dumping everything into the context window, the model: • Inspects the input This is why RLMs handle inputs orders of magnitude larger than the model’s context window, and still improve quality even on shorter prompts. Why “just increase context length” does not solve thisEven frontier models show context rot. As inputs get longer and tasks get more complex, performance degrades fast. Not because the model forgets everything, but because it cannot selectively reason over dense information. Summarization helps, but it throws away details. RLMs attack the root cause: how context is accessed, not how big it is. What changes in practiceBefore (basic prompting)You paste everything. If it is wrong, you usually never know. After (RLM mindset)You give the model a workspace and rules:
This feels less like chatting and more like working with a junior analyst who shows their work. When you should use thisUse an RLM-style workflow when at least one of these is true: • The input is long or growing For short, simple questions, basic prompting is still faster and often better. The tangible prompt you can use todayYou cannot fully recreate the paper’s REPL-based system inside a plain chat box. But you can steal the operating pattern. Copy paste this:... Keep reading with a 7-day free trialSubscribe to The AI Corner to keep reading this post and get 7 days of free access to the full post archives. A subscription gets you:
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