GPT-4.1 nano
The smallest version of OpenAI's GPT-4.1.
OpenAI
2025-04-14
Closed weightsRank: 78/165130Epoch Capabilities Index
About ECI90% CI: 125-133
GPT-4.1 nano performance
Top performing model
The smallest version of OpenAI's GPT-4.1.
OpenAI2025-04-14Closed weights