https://ai-news-online.com/explained/anthropic-s-1-ipo-compute-commitments-explained/AI News Onlineen2026-10-28Anthropic's S-1 explained: $16.3B in sales, and a bill that can't be cancelled https://ai-news-online.com/explained/openai-exponential-time-hypothesis-disproof-eth-explained/AI News Onlineen2026-10-27OpenAI's ETH disproof explained: how an AI says it beat brute-force 3-SAT https://ai-news-online.com/briefing/2026-10-28/AI News Onlineen2026-10-28AI today, 28 October 2026: Anthropic's IPO filing, OpenAI's cheaper GPT-6.1 Terra, Microsoft's 60,000 buyouts https://ai-news-online.com/briefing/2026-10-27/AI News Onlineen2026-10-27AI today, 27 October 2026: Anthropic files for IPO, OpenAI's cheaper GPT-6.1 Terra, three claimed AI science breakthroughs