AI 世界，每日速讀

Before OpenAI launched its new AI agent, Dots, on Tuesday, Elon Musk's xAI had already acquired the domain name "dot.com," which now redirects to the Grok chatbot download page.

<p><a href="https://news.ycombinator.com/item?id=49896586#49898129">My comment</a> on <a href="https://news.ycombinator.com/item?id=49896586">GPT 6.1 Sol: Near-Astra intelligence for a fifth of the price</a> &mdash; Hacker News.</p><p>I'm a bit late with the pelicans because I was live-blogging the keynote: <a href="https://simonwillison.net/2026/Sep/29/openai-devday-2026-live-blog/">https://simonwillison.net/2026/Sep/29/openai-devday-2026-liv...</a></p> <p>Here they are for GPT-6.1-Sol: <a href="https://tools.simonwillison.net/markdown-svg-renderer?url=https%3A%2F%2Fgist.github.com%2Fsimonw%2

OpenAI says GPT-6.1 Sol delivers significant improvements over GPT-6 Sol across complex professional tasks, including code writing and debugging, document understanding, and executing multistep business workflows.

OpenAI is responding to Meta's buzzy Muse AI with agentic helpers of its own: Dots. During its DevDay keynote on Tuesday, OpenAI announced that Dots will serve as always-on AI assistants that can "do nearly anything" across connected apps in the background while learning your preferences over time. The company's capable GPT-6 Astra model powers […]

Meet GPT-6.1 Sol: near-Astra intelligence for coding, computer use, and professional work at one-fifth of Astra’s standard API input and output token prices.

Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builders.

Dots by OpenAI are proactive assistants that can keep working across complex projects and everyday tasks. Learn how dots help you stay in control while work moves forward.