i would like to talk to people who have built amazing things with 5.5 that weren't possible with earlier models. i am especially interested …

Sam Altman solicited examples from users of innovative applications and capabilities enabled by GPT-5.5 that were not feasible with earlier OpenAI models, with particular interest in specific use cases. This post likely sought community feedback on breakthrough applications, novel use cases, or emergent abilities demonstrated by the 5.5 model compared to previous versions.

Source: Sam Altman (X) | 2026-05-05