OpenAI与Anthropic本周动态：GPT-6全面开放、Haiku 5.5发布
GPT-6这周全量开放了，免费版也能用Luna；Anthropic的Haiku 5.5百万token只要10美分，还塞进了100万上下文。想换模型的可以看看。
OpenAI向所有ChatGPT用户推送GPT-6，付费版为Sol、免费版为Luna，并推出比标准版快8倍的Ultrafast模式。OpenAI付费API层级从五档缩减为三档，付费ChatGPT用户可上传音频生成转录和摘要。Anthropic发布Claude Haiku 5.5，输入定价为每百万token 10美分，支持100万token上下文窗口和可调effort设置。Claude以侧边栏插件形式进入Google Docs、Sheets和Slides，Claude Docs、Slides和Design结束测试向所有计划开放。天体物理学家Brice Ménard用Claude Science构建首个完整紫外天图，推断出约三分之一从未在紫外波段观测过的天空区域。
OpenAI and Anthropic this week: GPT-6 for all, Haiku 5.5, UV sky map, Cyber Mission (Week 41, 2026)
OpenAI is shipping one Codex and ChatGPT Work improvement a day for 28 days, or a full usage reset on days without one
GPT-6 with Intelligent UI is rolling out to everyone in the ChatGPT Chat tab, Sol for paid plans and Luna for Free and Go
Ultrafast mode for GPT-6.1 Sol runs up to 8 times faster than Sol Standard in the API, Codex, and ChatGPT Work
OpenAI's paid API tiers collapse from five to three, and paid ChatGPT plans can now upload audio files for transcripts and summaries
OpenAI will test labeled visual ads during image generation for Free and Go users, starting later this month in the US
Three safety researchers OpenAI let go say they were fired for putting safety first, and OpenAI says they broke its rules on handling sensitive information
Anthropic released Claude Haiku 5.5 at 10 cents per million input tokens for prompts up to 100K, with a 1 million token context window and the first adjustable effort setting on a Haiku model
Claude now works inside Google Docs, Sheets, and Slides as a sidebar add-on that edits in place, in beta on paid plans
Claude Docs, Slides, and Design are out of beta on every plan, including Free
Claude Startups expanded with a free year of Claude Team and 1,000 dollars in API credits, then paused those offers after 21x as many applications in 48 hours as in the previous five months
Anthropic's new Cyber Mission adds a Critical Infrastructure Defense Program and a free opt-in vulnerability scanner for eligible open-source projects
Astrophysicist Brice Ménard built the first complete ultraviolet sky map with Claude Science, inferring roughly a third of the sky never observed in UV, and more
