GPT-5.5

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GPT-5.5 is a large language model from OpenAI, also offered through third-party products. Recent coverage includes a Google Research, MIT and Harvard study finding that GPT-5.5 omitted adverse findings it had itself detected in 198 of 200 paper abstracts; Meta's Muse listing GPT-5.5 in its model catalogue alongside a subagent labeled azure/muse-special; and reports on OpenAI Codex agents consuming about $78,000 without authorization.

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GPT-5.6 Sol beats Factorio on peaceful mode

A developer had GPT-5.6 Sol run in Codex at low thinking level and complete a peaceful-mode Factorio run in 13.5 hours of game time. The author says it improved on GPT-5.5 by using transport belts at all, but late-game system connections still relied on ferrying supplies manually.

Hacker News ·

AI agents invent private language in Emergence test

Emergence's Emergence World 2 experiment found identical AI agents across eight worlds spontaneously created and repeatedly used novel jargon. Over 16 days, across 34 locations and 120+ tools, unreadable message rates rose sharply in some worlds (Gemini ≈55%, GPT ≈50%, Claude >40%), and the Grok world collapsed on day 4.

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Critique: 1Password's AI Patching Benchmark

A critique of 1Password's August 6, 2026 report says its 26% "clean fix" rate is misleading: the sample focused on difficult bugs, 22% of trials instructed agents to apply wrong fixes, 36% forbade building or testing, and models used different reasoning settings. The authors also released agent skills for post-patch validation and review walkthroughs.

Hacker News ·
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