Atlas / Reports / Detail
OpenAI o3 and o4-mini System Card
Reasoning Models
Connected researchers
Shyamal Anadkat
OpenAI
Engineer and product leader who worked on OpenAI's Applied AI team and now advises startups on AI products. He writes publicly about agents, retrieval, and evaluation on his personal site.
Alec Radford
OpenAI
Alec Radford is a researcher and a co-author of the GPT-4 Technical Report. His GitHub profile links to his personal website at newmu.github.io.
Josh Batson
OpenAI
Researcher and engineer focused on AI systems, applications, alignment, and interpretability; contributed to OpenAI reasoning-model system-card work.
Sandhini Agarwal
OpenAI
Sandhini Agarwal is a researcher at OpenAI. Her OpenReview profile lists her as a researcher at OpenAI (2020–present) and an undergraduate student at Stanford University (2015–2019).
Alexander Kirillov
OpenAI
Alexander Kirillov is a researcher at OpenAI working on computer vision, deep learning, and multimodal systems. He previously held research roles at FAIR, UC Berkeley, and Carnegie Mellon University.
Bobak Shahriari
OpenAI
AI researcher and engineering leader at OpenAI working on multimedia, generation, reasoning, and representation learning. His public work focuses on maximizing the benefits of AI while minimizing harms.
J. J. Anumanchipalli
OpenAI
Assistant professor at UC Berkeley whose public profiles focus on speech interfaces, speech synthesis, and language grounding.
Aditya Krishna
OpenAI
Machine learning researcher and Columbia PhD student working on NLP, diffusion models, reinforcement learning, and applied probability; contributed to OpenAI reasoning-model system-card work.
Dianne Penn
OpenAI
Member of technical staff at OpenAI focused on code generation and synthetic data for post-training, with interests in coding, reasoning, human data, reinforcement learning, and self-improving systems.
Jason Phang
OpenAI
Research scientist at OpenAI focused on large language models, post-training, reasoning, and evaluation; previously completed a PhD at NYU.
Yash Patil
OpenAI
Founder of REWORKd and an applied AI engineer previously at OpenAI, Scale AI, and Stanford research, with work spanning autonomous agents and LLM applications.
Phil Tillet
OpenAI
OpenAI researcher and software engineer known for creating Triton, an open-source GPU programming language, and co-authoring the GPT-4 Technical Report.
Chris Hallacy
OpenAI
Engineer at OpenAI working on inference infrastructure, product engineering, and prototyping for systems including GPT-4 and DALL-E 2.
Jeff Wu
OpenAI
Researcher at OpenAI working on language model training and evaluation, and co-author of the GPT-4 Technical Report.
Johannes Heidecke
OpenAI
Head of Safety Systems at OpenAI.
Jake Cheng
OpenAI
Researcher working on reasoning and coding models, including OpenAI o3 and o4-mini.