Ex-OpenAI researcher Kaiser reflects on the RLSlow team's journey

Former OpenAI researcher Lukasz Kaiser paid tribute to the RLSlow team, which pioneered large-scale RL for LLM reasoning. Named after 'Thinking, Fast and Slow,' the team was led by Ilya Sutskever and later others, turning RL-based slow thinking from conviction to scale.

2026-09-07 ~ 2026-09-07 · 3 related posts

• Ex-OpenAI researcher Lukasz Kaiser pens farewell to RLSlow reasoning team — RubenEVillegas · 2026-09-07
• RLSlow team credited with inventing RL at scale for LLMs — morqon · 2026-09-07
• OpenAI's RLSlow team: how RL for reasoning earned conviction and scaled — lukaszkaiser · 2026-09-07