OpenAI has added its newest language model, GPT-5.5, to ChatGPT, promising smoother, more reliable performance on complex, multi‑step requests. The upgrade reduces the need for back‑and‑forth prompting by improving context retention, reasoning depth and tool integration. Sam Altman framed the launch as a push for everyday usefulness, saying the company wants users to win. GPT-5.5 follows the recent ChatGPT Images 2.0 rollout and aims to make the AI assistant a continuous, dependable part of daily workflows. Read more →