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Introduction
For tasks that demand low latency, GPT‑4.1 nano is our fastest and cheapest model available. It delivers exceptional performance at a small size with its 1 million token context window, and scores 80.1% on MMLU, 50.3% on GPQA, and 9.8% on Aider polyglot coding—even higher than GPT‑4o mini. It’s ideal for tasks like classification or autocompletion.
Training
Training Code Accessibility
"GPT‑4.1 will only be available via the API"Authors
Research leads
Ananya Kumar, Jiahui Yu, John Hallman, Michelle Pokrass
Research core contributors
Adam Goucher, Adi Ganesh, Bowen Cheng, Brandon McKinzie, Brian Zhang, Chris Koch, Colin Wei, David Medina, Edmund Wong, Erin Kavanaugh, Florent Bekerman, Haitang Hu, Hongyu Ren, Ishaan Singal, Jamie Kiros, Jason Ai, Ji Lin, Jonathan Chien, Josh McGrath, Julian Lee, Julie Wang, Kevin Lu, Kristian Georgiev, Kyle Luther, Li Jing, Max Schwarzer, Miguel Castro, Nitish Keskar, Rapha Gontijo Lopes, Shengjia Zhao, Sully Chen, Suvansh Sanjeev, Taylor Gordon, Ted Sanders, Wenda Zhou, Yang Song, Yujia Xie, Yujia Jin, Zhishuai Zhang
Speech