OpenAI is the maker of ChatGPT and the GPT model family, serving roughly 900M weekly active users with 50M+ paid subscribers — it filed its S-1 on June 8, 2026 ahead of a planned IPO.

Upscale AI builds full-stack AI networking infrastructure — silicon, systems, and software — to connect accelerators, memory, and storage into a high-performance fabric for large-scale AI training and inference.