Spawn: a game world built autonomously by AI agents for $3M a month

Spawn is a massively multiplayer environment where players modify the game world via prompts to an in-game agent named Savi. According to its creator, a swarm of Fable 5-powered agents edits live code and ships to production hourly, burning over $3 million in tokens per month.

• Fable 5 agents edit Spawn's live code and deploy hourly
• Autonomous development costs over $3 million in tokens per month
• An hour without a ship is treated as a SEV-0 incident
• A broken change can be rolled back in 30 seconds