5.19.2025

OpenAI launches research preview of Codex AI software engineering agent for developers

Just days after reports emerged suggesting OpenAI was buying white-hot coding startup Windsurf, the former company appears to be launching its own competitor service as a research preview under its brand name Codex, going head-to-head against Windsurf, Cursor, and the growing list of AI coding tools offered by startups and large tech companies including Microsoft and Amazon.