Agents & dev tools · 30 October 2026

Jacob Sansbury's Spawn Uses Fable-Powered Agents to Autonomously Build Multiplayer Game World

Spawn is a massively multiplayer gaming environment where players prompt the in‑game agent Savi to modify the world. The system runs a swarm of Fable‑powered agents that edit live code hourly and cost over $3 million in tokens per month.

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Track the $3 million monthly token spend on autonomous agents; assess if similar AI‑driven development budgets are viable for your product.

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