{"type":"post","id":"gpt-5-6-sol-in-codex-completes-a-b74276","slug":"gpt-5-6-sol-in-codex-completes-a-b74276","title":"GPT-5.6 Sol in Codex completes a peaceful Factorio run to rocket launch in 13.5 game hours","description":"Ryan Madden reports that GPT-5.6 Sol, running in Codex at low thinking level, completed a peaceful Factorio run and launched a rocket after 13.5 hours of game time.","retrieval_nugget":"Ryan Madden reports that GPT-5.6 Sol, running in Codex at low thinking level, completed a peaceful Factorio run and launched a rocket after 13.5 hours of game time. It is a useful long-horizon capability signal for AI builders, although the late-game workarounds show that reaching a final objective is different from operating a complex system reliably.","published_at":"2026-10-31","updated_at":"2026-10-31","record_date":"2026-10-31","date_kind":"published_at","topics":["codex"],"entities":["GPT-5.6 Sol","Codex","Factorio","Ryan Madden"],"related_patterns":["goal-scoped-loops-replace-manual-continuation"],"novelty_label":"new_fact","what_changed":"Ryan Madden reports GPT-5.6 Sol completing a peaceful Factorio run in Codex, reaching rocket launch after 13.5 game hours.","prior_refs":["memory:973623cd-1239-8e1a-ae97-7d00ad26298d"],"source_url":"https://ryanmadden.net/gpt-56-beats-factorio","source_urls":["https://ryanmadden.net/gpt-56-beats-factorio"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:gpt-5-6-sol-in-codex-completes-a-b74276","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/gpt-5-6-sol-in-codex-completes-a-b74276/","markdown":"https://newruntime.com/posts/gpt-5-6-sol-in-codex-completes-a-b74276.md","json":"https://newruntime.com/posts/gpt-5-6-sol-in-codex-completes-a-b74276.json"},"next_reads":[{"type":"topic","path":"/topics/codex/","url":"https://newruntime.com/topics/codex/","title":"Codex","reason":"Explore the codex topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/codex.md","json_url":"https://newruntime.com/topics/codex.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}