Use AI to think more, not less.
The research is clear.
AI that answers for you makes you worse at learning. AI that makes you think makes you better.
Students using ChatGPT scored worse on tests than those who studied without it.
Bastani et al., Wharton / PNAS 2025
A Socratic AI tutor — one that never gives the answer directly — doubled learning in controlled trials.
Kestin et al., Harvard / Scientific Reports 2025
Testing yourself beats re-reading. Struggle activates the neural pathways that make knowledge stick.
Adesope et al., 2017 meta-analysis
Every feature in DecodeLM is built around these findings.
Read the full research →Questions, not answer dumps.
Never re-explains what you've mastered.
Research-backed recall to close your gaps.
Your goals, gaps, and preferences — all tracked.
Learn from everything.
Bring your own sources, tap into community knowledge, or let AI find the best content for you.
Upload PDFs, paste URLs, or link articles. The tutor reads and discusses them alongside platform content — no context switching.
Expert-written, peer-reviewed articles organized as a connected knowledge graph. Contributing is itself a learning strategy — teaching forces you to solidify what you know.
Explore the graph →Deep research that finds the highest-quality sources on any topic — not just what's popular, but what's accurate and rigorous.
Want to write for DecodeLM?
Peer-reviewed articles. Expert feedback. Your knowledge added to the graph — and to every learner's AI tutor.
Ready to think differently?
Your AI tutor is waiting. Free to try, no credit card needed.