Cursor launches (Anysphere's AI code editor)

Anysphere, a company founded the previous year by four MIT students, released the first version of Cursor, a code editor built as a fork of Microsoft’s Visual Studio Code with AI assistance embedded throughout the editing experience rather than bolted on as a plugin. There was no press launch; the team, by its own later account, spent 2023 focused on the product and let it spread by word of mouth. A submission on Hacker News in late March describing it as “a code editor built for programming with AI” drew only a modest 14 points, and one commenter’s dismissive comparison to “CodeMirror with a VS Code theme on top of it, that includes Copilot” was typical of the reception — the founder later said the GitHub repository “minorly blew up” on Twitter and, separately, on Chinese social media, but Cursor was not, at launch, treated as a significant product.

The distinguishing bet was depth of integration: rather than autocomplete suggestions inside an existing editor, Cursor built chat, inline editing and, later, agentic code-generation features directly into its own fork, giving it more control over the interface than a plugin architecture allowed. Early adopters cited access to GPT-4 as a differentiator over GitHub Copilot, then still running older models.

Cursor’s growth from a barely noticed 2023 side project to, within a few years, one of the fastest-growing software companies by revenue became a reference case for how quickly an AI-native developer tool could scale once large language models became reliable enough for real coding work, rather than autocomplete alone.