ChatGPT 5.5 is now live 👀
I’ve been digging into it today, and it’s definitely a noticeable step forward from 5.4 in a few key areas. GPT-5.5 is the strongest agentic coding model to date. On Terminal-Bench 2.0, which tests complex command-line workflows requiring planning, iteration, and tool coordination, it achieves a state-of-the-art accuracy of 82.7%. Here’s what stood out straight away: • Stronger reasoning and accuracy It feels more reliable when working through complex tasks, especially anything that involves multiple steps or deeper thinking. • Better at real-world work Writing, research, analysing data, structuring ideas… it just handles these more smoothly without needing as much back-and-forth. • Improved coding + technical help If you’re building apps, automations, or workflows, the responses feel cleaner and more usable first time. • More consistent outputs Less randomness, fewer weird replies, and generally more predictable results when you give it a clear prompt. • Handles larger context even better Great if you’re working with long documents, big prompts, or ongoing projects. What this actually means for us For most people here, it’s not about “new features”… it’s about getting better results faster. • Fewer prompt tweaks • More usable first drafts • Better outputs for clients • More reliable automations If you’re using ChatGPT daily for business, content, or building tools… this should make things noticeably smoother.