According to The Rundown AI, today’s top AI developments include OpenAI outlining a proposed social contract for society-level governance of artificial superintelligence and AI safety, as reported by The Rundown AI post on X. According to The New Yorker, previously undisclosed internal memos related to Sam Altman’s 2023 firing at OpenAI have surfaced, offering new context on board governance and risk oversight. According to The Rundown AI, entrepreneurs can stress test business ideas using Perplexity’s retrieval and research features to validate markets and competitors. According to The Rundown AI, Meta’s first new models led by Wang are preparing to ship, signaling near-term releases in multimodal and LLM capabilities from Meta. According to The Rundown AI, four new AI tools and community workflows were highlighted, pointing to immediate productivity gains and go-to-market opportunities for builders.