Do We Need Adam? Surprisingly Strong and Sparse Reinforcement Learning with SGD in LLMs.

Sun, 01 Feb 2026 00:00:00 +0100

Sagnik Mukherjee, Lifan Yuan, Pavan Jayasinha, Dilek Hakkani-Tür, Hao Peng:
Do We Need Adam? Surprisingly Strong and Sparse Reinforcement Learning with SGD in LLMs. CoRR abs/2602.07729 (2026)