OpenAI DevDay 2026：发布 Dots、GPT-6.1 Sol、Ultrafast 及多项平台更新
原标题：[AINews] OpenAI DevDay 2026: Dots, 6.1 Sol, Ultrafast, Decisions API, Agents API, Spaces, Marketplace, and 1.2 Billion ChatGPT WAU
AI 摘要
OpenAI 在 DevDay 2026 上发布了 Dots 常驻智能体、GPT-6.1 Sol 模型、Ultrafast 极速模式、Decisions API、Agents API、ChatGPT Spaces 和 B2B Marketplace，并宣布 ChatGPT 周活跃用户达 12 亿。GPT-6.1 Sol 以更低价格提供接近 Astra 的智能，但 OpenAI 因安全顾虑 scrapped 了 GPT-6.1 Astra。独立评测显示 GPT-6.1 Sol 在多项基准上表现优异，同时平台计划重新分层引发用户不满。
正文节选
Today is the 20 year anniversary of Sam Altman’s first startup, and fittingly OpenAI the consumer AI company is so back (as is OpenAI the AI Cloud and OpenAI the Enterprise and Coding Definitely Not Anthropic Hyperscaler), with Dots — their voice-enabled answer to Instinct and Muse, ChatGPT Spaces — with Dots their answer to Notion and the office productivity suite, GPT 6.1 Sol (no Astra! alas) — their answer to Opus 5.5 with a new ultrafast mode running on unspecified silicon, alongside a wealt