THE SHORT VERSION
- Anthropic renamed the $100-a-month Max 5x plan to Max and the $200-a-month Max 20x plan to Ultra.每月 100 美元的 Max 5x 套餐改名为 Max，每月 200 美元的 Max 20x 改名为 Ultra，价格未变。
- Max includes five times Pro usage every five hours and every week, plus $100 a month in API credits; Ultra adds no five-hour limit for verified accounts and $200 in monthly API credits.Max 含每 5 小时与每周各 5 倍 Pro 用量，并附每月 100 美元 API 额度；Ultra 取消认证账户的 5 小时上限、每周 10 倍 Pro 用量、每月 200 美元 API 额度。
- The five-hour clock is now the clearest difference between the two paid tiers, and the bundled API credits make each plan partly a platform allowance.5 小时计时窗口现在是两档付费套餐最清楚的区别，而附带的 API 额度让订阅带上了平台预算的性质。
The names changed, the prices did not名字变了，价格没变
Anthropic renamed its two most expensive Claude plans. Techmeme summarised a Claude account post saying the $100-a-month Max 5x plan is now called Max and the $200-a-month Max 20x plan is now called Ultra, and that the five-hour limit has been removed for verified Ultra accounts. The prices are unchanged at $100 and $200 a month.Anthropic 把两个最贵的 Claude 套餐改了名。Techmeme 汇总 Claude 账号的帖子称，每月 100 美元的 Max 5x 现在叫 Max，每月 200 美元的 Max 20x 现在叫 Ultra，并取消认证 Ultra 账户的 5 小时上限。价格仍是每月 100 与 200 美元。
The rename removes a naming scheme that described a multiple rather than a product. A customer choosing between tiers no longer has to work out what 5x or 20x referred to; the top two plans are now a word each. Anthropic's pricing page lists Pro at $20 a month, or $17 a month with an annual subscription billed at $200 up front.这次改名去掉了一套描述倍数、而非描述产品的命名。顾客在两档之间选择时，不必再猜 5x 或 20x 指什么；最上面两档现在各是一个词。Anthropic 的定价页显示 Pro 为每月 20 美元，年付则每月 17 美元（一次性支付 200 美元）。
What $100 buys now100 美元现在买到什么
The pricing page describes Max as everything in Pro plus five times Pro usage every five hours and every week, early access to advanced Claude features and priority access at high-traffic times. It also includes Fable up to half the weekly limit, and $100 a month in API credits to build on the Claude Platform.定价页把 Max 描述为：Pro 的全部内容，外加每 5 小时与每周各 5 倍 Pro 用量、先进 Claude 功能的早期访问，以及高流量时段的优先访问。它还包含 Fable（上限为周额度的一半），以及每月 100 美元用于在 Claude 平台构建的 API 额度。
The important word is every: the tier is defined by a rate over two windows, five hours and a week, and the page notes that how fast a user reaches a limit depends on the model, the length of the chats and the size of the files. That is a usage allowance, not a promise of unlimited work.关键在“每”：这一档由两个窗口的速率定义，即 5 小时与每周；页面同时提示，用户多快触达上限取决于所用模型、对话长度与文件大小。这是用量额度，不是无限工作的承诺。
What the extra $100 adds多出的 100 美元加了什么
Ultra is described as everything in Max plus no five-hour limit for verified accounts, ten times Pro usage every week, and $200 a month in API credits, up from $100 on Max. The tier's own tagline on the page is for your longest tasks, which is the clearest statement of who it is for.Ultra 被描述为：Max 的全部内容，外加认证账户无 5 小时上限、每周 10 倍 Pro 用量，以及每月 200 美元 API 额度（Max 为 100 美元）。该档在页面上的标签是“为你最长的任务”，这是它面向谁最清楚的说明。
So the difference between the two paid plans is narrower than the price gap suggests. Both include a weekly allowance; the higher tier removes the shorter clock and doubles the bundled credits. A customer who never hits the five-hour ceiling is paying $100 a month for a limit they were not reaching.因此两档付费套餐的差别比价差看起来更窄。两者都含周额度；更高的一档去掉较短的计时窗口，并把附带额度翻倍。从不触达 5 小时上限的顾客，等于每月花 100 美元买一个自己不会碰到的限制。
The five-hour clock is the real difference5 小时计时才是真正的区别
Session limits matter more for this kind of product than for a chat app, because the work is increasingly long-running. An agent that reads a codebase, runs tests and drafts a fix can spend hours inside one task, and a limit measured in five-hour blocks is a limit on exactly that behaviour. The page's own explanation of usage constraints, which mentions model choice, chat length and file size, points at the same workloads.对这类产品而言，会话上限比聊天应用更要紧，因为工作正越来越长。一个读取代码库、跑测试、起草修复的智能体，可能在一个任务里耗上数小时；以 5 小时为单位计量的限制，正是对这类行为的限制。页面在解释用量约束时提到模型、对话长度与文件大小，指向的也是同样的工作负载。
That makes the removal of the five-hour limit for verified Ultra accounts a product decision rather than a pricing one. If the longest tasks are the ones a customer wants to run, then capping the session is capping the use case; lifting it for verified accounts at $200 is a way to sell the long-running workflow without changing the cheaper tier.这让“认证 Ultra 账户取消 5 小时上限”成为一个产品决定，而不只是定价决定。如果顾客想跑的正是最长任务，那么限制会话就是限制用例；在 200 美元档对认证账户解除它，是在不改变更便宜一档的前提下，把长时工作流卖出去。
Bundled credits blur subscription and API附带额度模糊了订阅与 API 的界线
Both paid plans now include a monthly allowance of API credits: $100 on Max and $200 on Ultra. That turns a subscription into something closer to a platform budget, because the same payment covers the chat product and building on the API. For a small team, it changes the arithmetic of which plan to buy.两档付费套餐现在都含每月 API 额度：Max 为 100 美元，Ultra 为 200 美元。这让订阅更接近一笔平台预算，因为同一笔付款同时覆盖聊天产品与在 API 上的构建。对小团队而言，这改变该买哪一档的算术。
It also makes the plans harder to compare with a pure subscription. A customer who mostly uses the chat interface values the credits at close to nothing, while a developer who would spend on API access anyway can offset part of the fee. This site has covered Claude Sonnet 5.5's positioning for everyday work and OpenAI's ServiceNow partnership; the tiering here is the consumer-facing version of the same packaging question.这也让这些套餐更难与纯订阅比较。主要使用聊天界面的顾客，几乎不会把额度算成价值；而本来就会在 API 上花钱的开发者，可以用它抵掉一部分费用。本站报道过Claude Sonnet 5.5 面向日常工作的定位与OpenAI 与 ServiceNow 的合作；这里的档位划分，是同一个“打包方式”问题面向消费者的一面。
What is established, and what is not哪些已经确定，哪些还没有
Established: Max is $100 a month and includes five times Pro usage every five hours and every week plus $100 in monthly API credits; Ultra is $200 a month, includes no five-hour limit for verified accounts, ten times Pro weekly usage and $200 in monthly API credits; Pro is $20 monthly or $17 on an annual plan billed at $200. Not established: what verification requires, how the limits translate into actual token or compute budgets, and whether the rename changes conversion between tiers.已经确定的：Max 每月 100 美元，含每 5 小时与每周各 5 倍 Pro 用量及每月 100 美元 API 额度；Ultra 每月 200 美元，认证账户无 5 小时上限、每周 10 倍 Pro 用量、每月 200 美元 API 额度；Pro 每月 20 美元，年付每月 17 美元（一次性 200 美元）。尚未确定的：认证需要什么条件、这些限制折算成多少 token 或算力预算，以及改名是否改变两档之间的转化。
For readers, the practical question is which limit binds their work. A five-hour cap matters to someone running long agent tasks and hardly matters to someone asking short questions; a weekly cap matters to both. The rename is the visible change, but the limit structure under it is what a buyer is actually paying for, and the pricing page is the only place those numbers are written down.对读者而言，实际问题是哪个限制卡住了你的工作。5 小时上限对跑长任务的人要紧，对问短问题的人几乎不要紧；周上限对两者都要紧。改名是看得见的变化，但真正付费买的是下面那套限制结构，而定价页是唯一写清这些数字的地方。
Pricing as positioning定价也是定位
Plan names are also a competitive statement. A two-word ladder that ends at Ultra tells a buyer that the top tier exists for the heaviest workloads, and it puts the $200 plan in the same vocabulary as the frontier-model conversation rather than in a table of multipliers. The pricing page's tagline for Ultra, for your longest tasks, is doing the same work in one line.套餐命名同样是一种竞争表态。一个以 Ultra 收尾的两词阶梯，告诉买家最高一档是为最重的工作负载存在的，也把 200 美元这一档放进了前沿模型的语汇里，而不是放在一张倍数表里。定价页给 Ultra 的标签“为你最长的任务”，用一句话做了同样的事。
The model access behind the tiers has been moving too. This site covered Mistral opening the weights of its flagship, and the subscription question is the consumer version of the same choice: whether a customer buys access by the month, by the token, or by running the model on their own hardware. Anthropic's bundled credits are an attempt to sell the first two at once.档位背后的模型获取方式也在变化。本站报道过Mistral 开放其旗舰模型权重；订阅问题其实是同一个选择的消费者版本：顾客是按月买访问、按 token 买，还是把模型跑在自己的硬件上。Anthropic 附带的 API 额度，是想把前两种一起卖出去。
Sources & reporting limits来源与核查范围
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