GPT-5.6 Sol's Factorio rocket run used 250 million tokens, about $52 at API prices, tester says

Madden said the run used about 250 million input tokens, 95% cached, and 1.5 million output tokens.

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Primary source: ryanmadden.net

Why it matters

Madden's token breakdown offers a qualified cost reference for a long-running game task.

A helmeted figure faces conveyor belts and machinery at an industrial plant at sunset; a tank bears the logo “Rw”.

Ryan Madden reported Oct. 31st that GPT-5.6 Sol completed a peaceful Factorio run, using a Python interface to launch a rocket despite struggling to connect the factory's late-game production systems.

Madden told RuntimeWire in an email: “It was about 250M input tokens (95% cached) and 1.5M output which would have been $52 at API pricing. The run took 13.5 hours of game time.”…

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