Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex. https://t.co/rPLTk99ZH5
AI Frontier Models launch history
Top AI Frontier Models launches from April 2026, ranked by X views.
April 2026
Introducing ChatGPT Images 2.0 A state-of-the-art image model that can take on complex visual tasks and produce precise, immediately usable visuals, with sharper editing, richer layouts, and thinking-level intelligence. Video made with ChatGPT Images https://t.co/3aWfXakrcR
Introducing workspace agents in ChatGPT—shared agents that can handle complex tasks and long-running workflows across tools and teams. https://t.co/eHplfXCWlk
We’re introducing Cursor 3. It is simpler, more powerful, and built for a world where all code is written by agents, while keeping the depth of a development environment. https://t.co/rXR9vaZDnO
Introducing GPT-Rosalind, our frontier reasoning model built to support research across biology, drug discovery, and translational medicine. https://t.co/PubLU0FkSv
Introducing /multitask in the new Cursor 3 interface. Cursor can now run async subagents to parallelize your requests instead of adding them to the queue. For already queued messages, you can ask Cursor to multitask on them instead of waiting for the current run to finish. https://t.co/gtvOlup2hX