Grok
xAI
xAI's assistant, with a public product at grok.com.
Editorial category
Editors, agents, and assistants used to read and change software. Ranked for real repository work, with a lower place for hosted prototypes.
Editorial GitHub-native policy and AI-native editors solve different buying problems. Both can rank without one being a replacement for the other.
Listed, not given an editorial rank.
Longer buying guide: Best AI coding tools