OpenAI Codex product lead Tibo said GPT-6.1 Sol is likely the highest-demand model to date across both API and subscription users. ChatGPT and Codex had been experiencing heavy load, but OpenAI has deployed additional compute capacity; runtime perfor

2026-10-01

OpenAI Codex product lead Tibo said GPT-6.1 Sol is likely the highest-demand model to date across both API and subscription users. ChatGPT and Codex had been experiencing heavy load, but OpenAI has deployed additional compute capacity; runtime performance should improve significantly over the next few hours and is expected to reach roughly twice yesterday's service speed.