GPT 5

1. I designed a puzzle that breaks every AI differently — here's why that's actually fascinating (www.reddit.com)

   3 5w mistralgrokgpt-5+2

   The puzzle: You have 140 nuclear bombs and must bomb every country on Earth. Each bomb is assigned to one country.

2. Interesting to see how GPT-5 Mini agents behave when left to govern a civilisation for 15 days (www.reddit.com)

   8 6w grokgpt-5gemini

   Came across this experiment called Emergence World that Emergence AI have been running. Five worlds, five foundation models, 15 days, no scripts.

3. Just stumbled across one of the wildest AI experiments I’ve seen in a while. (www.reddit.com)

   +278 6w grokgemini

   A team built something called “Emergence World” — basically a long-horizon sandbox for autonomous AI agents and ran a 15-day experiment across five parallel worlds. Same starting conditions.

4. Free open-source way to use ChatGPT/Codex subscription in Cursor natively (www.reddit.com)

   3 6w gpt-5codexcursor+2

   Hi everyone, I wanted to share a free open-source project that lets you use your existing ChatGPT / Codex monthly subscription inside Cursor: https://github.com/gabrii/Cursor-Azure-GPT-5 The idea is simple: if you already pay for ChatGPT /…

5. OpenSource4o (www.reddit.com)

   6 6w gpt-5chatgpt

   In a closed-source environment, users have no verifiable control over the model they pay for. Recent user analyses of over 100,000 exported ChatGPT messages revealed a shocking truth: nearly 10% of responses labeled as “4o” were secretly r…

6. GPT5.5s CoT keeps leaking in the new codex update. Looks like we know how they got token efficency, they cavemanmaxxed (www.reddit.com)

   +9724 6w codex

   could not extract summary

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