Much like the two-stage release of GPT-2, where a stripped-down version was ... the o3 model shares the same reasoning architecture as the o1 family. It just does it better. The o3 model enables ...

GPT-2 may be older but is perfectly relevant, being the granddaddy of modern LLMs (large language models) with a clear heritage to more modern offerings. LLMs are fantastically good at ...

Much like the two-stage release of GPT-2, where a stripped-down version was released months ahead of the full-feature version, GPT Plus subscribers were first given access to the o1-preview version.