The AI graveyard: a running list of projects and startups that didn’t make it

The AI graveyard continues to grow, with projects like Relay, an AI-powered workflow automation tool, shutting down in August after struggling to compete with larger platforms like OpenAI and Google. Meanwhile, Character.ai, founded in 2021 by former Google researchers, achieved a $1 billion valuation in 2023 and later licensed its technology to Google for $2.7 billion, with its founders returning to Google.

This report uniquely compiles a running list of AI projects and startups that have failed, unlike most coverage that focuses solely on successes.