https://sint.newsAn independent AI magazine. News, context, and the people making things with AI.enhttps://sint.news/stories/openai-devday-2026-pro-pricehttps://sint.news/stories/openai-devday-2026-pro-priceTue, 29 Sep 2026 21:36:52 GMTOpinion: OpenAI joined the personal-agent race. Developers got a much harder subscription decision.