The $30 billion AI code editor that might already be obsolete

Cursor’s four cofounders became billionaires in 2025 selling an AI code editor that hit $1 billion in annualized revenue by November. Three months later, they held an all-hands meeting with slides titled “War Time.”

Over the holiday break, the company’s own engineers had tested Anthropic’s Opus 4.5 and found that the model could write code well enough to…