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31 OCT 2026 · Hacker News · 176 pts · 189 comments ↗

GPT-5.6 Sol, a low-thinking-level model, successfully completed a peaceful Factorio run in 13.5 hours, demonstrating its ability to play the game autonomously and beat the game on peaceful mode. The run was achieved using a custom library that simulates the game's restrictions and allows the model to interact with the game programmatically. The model's performance showed both strengths and weaknesses, and the author plans to release a commentary video and explore other models and thinking levels. AI summary