据《金融时报》报道，黑石集团向投资者透露，主要信用评级机构更可能在 Anthropic 上市后给予其 BB 级区间或更高的投机级评级，而非此前预期的投资级评级。
这不是普通的预期微调。黑石此前曾向投资合作伙伴表示，Anthropic 有望在年底前获得投资级评级，如今改口称更可能落在 BB 区间。一处评级预期的转变，牵动的是整条融资链条的成本结构。
从BB+到BB区间，差距在哪一层
今年6月，信用评级机构KBRA给予Anthropic BB+发行人评级。这是投机级中的最高一档，距离投资级仅差一级——即 BBB- 门槛。
投资级的硬性标准并非营收规模，而是「稳定的偿债能力」。标普和穆迪通常看三个维度：债务/EBITDA比率低于3倍、利息覆盖倍数高于5倍、自由现金流能持续覆盖资本支出。Anthropic 目前持有超过1120亿美元现金，但招股书披露的计划是从现在到2045年投入超8000亿美元用于算力基础设施。现金流预测模型只要覆盖到2028年就能通过压力测试，问题是8000亿美元的量级让所有预测假设都显得脆弱。
从BB+滑到BB区间，意味着利率溢价将上浮50-100个基点。这不是小数目。对一家需要滚动融资百亿美元级别项目的公司而言，每次发债多付1%的成本，八年累计就是数十亿美元。
黑石改口，本质上是在提前管理投资者预期。私募资本市场向来习惯在 IPO 前压低短期评级预期，尤其是当发行人处于高资本支出阶段时。更狠的是，每年能省下一个亿利息的公司，没人会嫌评级太高。
630亿芯片融资里的次级债务结构
这笔630亿美元的芯片融资交易值得细看。根据格隆汇报道，其中180亿美元为由租赁付款支持的次级债务。
次级债的清偿顺序排在优先债之后，利率更高，评级更难维持。如果 Anthropic 的主力融资工具已经是次级债，那意味着即便上市，其资本结构的上限也可能被锁死在投机级区间。
信用评级机构对次级债权重占比敏感。当次级债超过总债务的20%，投资级评级的可能性就会急剧下降。180亿/630亿≈28.6%，已经踩线。
AI的烧钱速度超出了融资模型的想象
这解释了为什么黑石会改口——他们比外界更早看到了资本结构对评级的硬约束。8000亿美元宏图需要一个不输于它的信用背书，但目前的债务结构正在把这条路堵死。
这不是一个小幅修正，而是评级预期的实质性下调。
保险、养老基金的投资级门槛
投资级评级（BBB-及以上）是一道制度性门槛。美国的养老金计划受《 Employee Retirement Income Security Act 》（ERISA）约束，大量资金只能配置投资级以上的债券。保险资金同样面临监管资本占用的差异化处理——投资级债券的资本成本显著低于投机级。
这意味着什么。BB级区间（BB/B级）的债券被归类为「高收益」或俗称的「垃圾债」。这类债券的主要买家是对冲基金、高收益债基金和专门的风投债务团队。保险和养老基金，这些长期稳定的大资金池，基本被排除在外。
评级机构一纸报告，资金池子就划了一道河
不同评级对应的资金渠道差异
BB级意味着什么利率溢价
利率溢价不是抽象概念。以2024-2026年美国企业债市场为参照，投资级债券的收益率曲线大致在4%-6%区间，而BB级高收益债的收益率普遍在8%-12%，部分深度投机级可达15%以上。
这中间的200-400个基点利差，放在Anthropic 8000亿美元的资本开支规划上，就是实打实的几十亿甚至上百亿美元的额外利息支出。
更关键的是债务滚动风险。AI基建项目周期长达十年以上，但高收益债的期限结构偏短。企业需要在不同时间点反复进入市场再融资，每一次再融资都暴露在利率波动和信用环境变化的风险之下。
[来源：FT 2026-10-30 报道引用知情人士；KBRA 2026年6月 BB+评级数据]
利差每扩大100bp，8000亿盘子上的年利息就多几亿
这意味着什么？对一家计划到 2045 年投入超过 8000 亿美元算力基础设施的 AI 实验室而言，评级不是虚名，是生死线。投资级意味着保险资金、养老基金可以进场；投机级意味着借贷成本直接上浮，而且债权人会更挑剔条款。
第一层：1120亿美元现金储备与IPO募资
Anthropic 目前持有超过 1120 亿美元的现金及现金等价物，投资者预计 IPO 还可能再筹集约 1000 亿美元。这笔钱看起来很多，但算一笔账就知道不够。
招股书披露的「大胆但理性」计划，是从现在到 2045 年向计算基础设施投入超过 8000 亿美元。即使不考虑通胀和利率变化，年均支出也要达到 400 亿美元以上。1120 亿现金加上 IPO 募资，撑不过三年。剩余缺口只能靠债务融资填补。
债务融资这条路，正好撞上评级这道坎。
第二层：债券发行与银行信贷
630 亿美元的芯片融资交易里，有 180 亿美元是由租赁付款支持的次级债务。这笔交易的投资者结构说明了一切：黑石在牵头融资，同时也在向其他参与者释放风险信号。
BB+ 距离投资级（BBB-）只差一级。从 BB+ 到 BBB-，需要的不是「前景好」，而是现金流转正、债务/EBITDA 比降到 3 倍以下、收入具备可预测性。Anthropic 目前还在大规模购买 GPU 和建设数据中心，账面利润远未覆盖资本开支。
更准确地说，评级机构看的是未来三年的自由现金流能否支撑债务偿还。Anthropic 的模型训练和推理服务收入虽然增长快，但算力成本同样在指数级攀升——这是一个负向循环，直到某个临界点收入增速超过成本增速。
如果 Anthropic 维持 BB 级，其债券收益率可能比投资级高 300 到 500 个基点。对 8000 亿美元的算力宏图而言，这不是小数。
评级变化对融资成本的量化影响
第三层：黑石等私募资本的退出路径
黑石投 Anthropic，逻辑和其他 AI 初创类似：早期低价入局，上市后通过二级市场退出赚取流动性溢价。但现在的问题是，如果上市后评级是 BB 级，二级市场投资者也会要求更高的风险补偿。
黑石原本预期 Anthropic 能在年底前获得投资级评级，这个预期建立在两个假设上：一是 Claude 的 API 收入能持续高增长；二是资本开支能得到有效管控。最新的改口说明，至少其中一个假设已经动摇。
更现实的退出路径可能是：先以 BB 级上市，积累 2-3 年的财务数据，再等评级上调后通过定向增发或债券回购优化资本结构。这条路走得通，但时间成本极高——AI 竞赛不等人。
投资级是门槛，BB+ 是悬崖边，Anthropic 现在要从悬崖边往回走。8000 亿的算力宏图，需要一个不输于它的信用背书。
这意味着什么？投资级与投机级的分界线不在技术路线，而在现金流纪律。BB+是悬崖边，Anthropic现在要从悬崖边往回走。
路径A：上市后冲刺投资级
最理想的路径是让营收增速追上资本开支节奏。按照招股书披露，Anthropic目前持有超过1120亿美元现金及现金等价物，IPO预计再募资约1000亿美元。这笔钱够烧多久，取决于两个变量：API收入增速和基础设施利用率。
投资级评级的核心门槛是利息覆盖倍数（ICR）大于3倍。假设Anthropic在2028年实现盈亏平衡，年营收300亿美元，净利润率15%，那么EBITDA约45亿美元。以BB级债券票面利率8%计算，每年利息支出需控制在15亿美元以内，对应债务规模不超过190亿美元。
问题在于，8000亿美元的资本开支计划，哪怕只用10%通过债务融资，也需要800亿美元新增杠杆。这笔钱从哪来？IPO募集资金已明确用于日常运营和初期投入，很难直接转为长期债务偿付来源。
评级机构在算账
更现实的时间线是：2027年IPO，2028-2029年积累营收规模，2030年后才可能触及投资级门槛。如果这三年里OpenAI或Google继续降价抢市场，Anthropic的利润率模型会被反复重估。
路径B：长期维持高收益债融资
另一条路是接受BB级作为常态，用高收益债支撑扩张。这条路在科技史上有先例：AWS早期、SpaceX都经历过投机级阶段。
BB级债券的利率溢价大约在投资级基础上增加300-400个基点。假设Anthropic发行10年期高收益债，票面利率10%，而投资级债券利率6%，那么每10亿美元债务的年利息差额是4000万美元。8000亿总开支里如果有50%通过债券融资，整个周期的额外利息成本可达数百亿美元。
这笔钱值不值，取决于算力回报率。如果每美元债务能带来超过10%的算力租赁回报，高收益债融资就是划算的。问题在于，AI算力市场的租赁价格正在快速下行。2024年NVIDIA H100的日租金约5000美元，到2025年已跌破3000美元。价格战意味着 Anthropic 的债务偿付能力会被持续侵蚀。
[[reaction=backend-system-design|caption=评级不是技术问题]]
高收益债还有一个隐性成本：条款约束。BB级债券通常会附带财务 covenants，比如资产负债率不超过某个阈值、最低流动性要求等。一旦违反，可能触发提前赎回或交叉违约。对一家资本开支高度不确定的公司来说，这种约束是双刃剑。
路径C：分阶段资产证券化支持算力扩张
第三种路径是绕开传统信用评级，用资产证券化（ABS）或收益权融资。这种模式在基础设施领域很常见：光伏电站、数据中心都通过项目公司发行ABS工具融资。
具体到Anthropic，可以考虑将算力租赁收益权打包发行ABS。假设未来十年算力租赁总收入现值为2000亿美元，将其中的30%作为底层资产发行证券，可以一次性筹集600亿美元。这种方式的好处是不影响母公司主体评级，缺点是结构复杂、发行成本高。
算力的金融化
更激进的做法是用GPU集群本身作为抵押品。NVIDIA H100显卡的二手残值率约60%，一台5000美元的H100在三年后仍能卖出3000美元。金融机构愿意为此提供贷款吗？这需要建立GPU资产的估值体系和处置通道，目前国内还没有成熟的二级市场。
[[]] ```mermaid
Anthropic评级路径选择矩阵
三条路径没有绝对优劣，只有条件依赖。Path A适合营收增速超过50%、利润率稳定的情景；Path B适合资本市场接受高杠杆、利率环境宽松的环境；Path C适合拥有清晰现金流资产、但主体信用不足的情况。
黑石改口的真实信号是：它不希望投资者对短期评级提升抱有不切实际的期待。对Anthropic而言，更重要的是算清楚一件事——8000亿扩张计划里，每一美元债务的边际回报能否跑赢BB级债券的融资成本。
评级机构不关心愿景
答案藏在算力租赁合同的定价权里。如果Anthropic能通过独家协议锁定长期高租金，投资级可期；如果只能打价格战，那BB级就是终点。
这段表态与黑石数月前的指引完全相反，也让这家计划用二十年烧掉八千亿美元的 AI 实验室，首次把融资成本问题摆到了台面上。
五、选型决策：什么样的评级架构适配算力基建？
关键变量：收入确认节奏 vs 资本开支承诺
Anthropic 的困境不是缺钱，而是钱花出去的速度和收入进来的速度不在一个时间尺度上。招股书里写着「大胆但理性」，但理性与否取决于收入确认的节奏。
Claude API 的计费模式是 token 用量驱动，这意味着收入与模型调用量呈线性关系。可 GPU 集群的建设周期通常是 18 到 24 个月，而算力折旧按五年直线摊销。当资本开支集中释放、收入还在爬坡时，自由现金流会出现结构性缺口。
这决定了评级机构的核心判断维度：EBITDA 对利息的覆盖能力。如果 Anthropic 在上市后三年内维持高研发高资本支出，EBITDA margin 很难快速转正，评级自然会在 BB 区间徘徊。
更准确地说，关键变量不是总融资规模，而是每年资本开支占预期收入的比例。业内常见做法是把 EBITDA/Interest 覆盖倍数维持在 3x 以上作为投资级的安全垫，低于 2x 就会触发评级下调预警。
风控边界：现金流覆盖倍数与投资级底线
投资级不是一个数字，是一组财务约束条件的组合。标准普尔和穆迪对科技公司投资级的通用门槛大致如下：债务/EBITDA 不高于 3x，利息覆盖不低于 3x，经营性现金流为正，且未来 12 个月债务到期分布不过度集中。
Anthropic 目前 1120 亿美元的现金储备看起来厚，但面对 2045 年 8000 亿美元的资本承诺，这笔钱只够覆盖前四年的支出。换言之，从现在到 2029 年，公司必须持续融资才能维持运营。
如果融资依赖高收益债，利率溢价会吃掉利润空间；如果依赖银行信贷，期限错配风险会上升。两条路都难走，因为评级机构看的不是愿景，是过去 24 个月的财报数据。
实话说，Anthropic 要想在上市后尽快拿到投资级，只有两条路：要么让 Claude 的收入增速在两年内超过资本开支增速，要么把部分算力资产证券化，把负债移到表外。前者靠产品，后者靠财务工程。
六、落点：一笔BB级评级背后的商业判断
黑石改口的信号意义
黑石从「年底前可得投资级」调整为「BB 区间」，本质上是对 Anthropic 现金流路径的重新定价。这不是对技术前景的否定，而是对财务纪律的坚持。
私募股权基金和信用评级机构的利益并不一致。黑石要退出，需要的是股价上涨而不是信用升级；评级机构要稳定，需要的是可预测的现金流而不是指数级增长的故事。
更狠的是，BB 级评级意味着债券利率可能比投资级高出 300 到 500 个基点。对于年融资需求数百亿美元的公司，这 3% 到 5% 的利差就是每年数亿美元的额外利息支出。
这不是小数目，是决定公司资本结构能否支撑长期扩张的关键变量。
Anthropic如何在高杠杆与高承诺之间走钢丝
Anthropic 选择了一条高风险路径：用高杠杆支撑超长周期的资本开支承诺。这在传统基础设施行业并不罕见，核电、风电项目都依赖项目融资和长期债务，但那些项目有政府补贴或垄断性收入流做支撑。
AI 算力基础设施没有这样的保护伞。它的收入来自市场竞争，其激烈程度远超任何传统公用事业。
从经验看，能在高杠杆下存活的公司通常有两个特征：要么是技术壁垒足够高，能够维持定价权；要么是退出机制足够明确，投资者愿意为不确定性买单。Anthropic 两者都有，但也仅此而已。
这条路需要产品收入超预期增长，或者融资结构创新，比如将部分数据中心资产打包为 REITs 或基础设施基金。
如果一年后 IPO 定价成功、市场情绪回暖，评级机构可能会重新评估其路径可行性。但如果收入数据不及预期，BB 级可能变成 BB-，融资成本将进一步恶化。
最终，这笔 BB 级评级背后的商业判断很清晰：Anthropic 需要证明的不是技术有多强，而是它的现金流模式能否支撑起八千亿美元的承诺。
参考文献
- [1] 黑石称 Anthropic 上市后或难获投资级信用评级, IT之家, 2026-10-31, i.ifeng.com/c/8xg8IPFnb…
- [2] Anthropic融资前景蒙阴 据报黑石看淡其上市后评级前景, 财联社/东方财富网, 2026-10-31, wap.eastmoney.com/a/202610313…
- [3] Gelonghui Flash: Blackstone (BX) says Anthropic may not obtain an investment-grade rating after its IPO, 格隆汇, 2026-10-31, es.tradingview.com/news/gelong…
- [4] Forbes/CausMoney tweet, 2026-10-30, x.com/CausMoney/s…
- [5] Newsquawk: Blackstone told investors Anthropic may not receive an investment-grade rating immediately after going public, FT reports, 2026-10-30, www.newsquawk.com/headlines/b…
- [6] TechCrunch: Anthropic expected to receive high 'junk' rating from credit agencies following IPO, 2026-10-30, techcrunch.com/2026/10/30/…
- [7] 加美财经, 2026-10-30, caus.com
延伸入口
- 原文归档：tobemagic.github.io/ai-magician…
- 公众号：计算机魔术师
本文由 AI图鉴自动抓取并翻译，版权归原作者所有；如需查看原文请点下方链接。
According to the Financial Times, Blackstone disclosed to investors that major credit rating agencies were more likely to give BB-grade or higher speculative ratings after Anthropic was listed than had previously been expected.
This is not an ordinary expected fine-tuning. Blackstone had previously indicated to its investment partners that Anthropic was expected to obtain an investment rating by the end of the year, and now it is more likely to fall in the BB zone. An expected shift in ratings is influenced by the cost structure of the entire finance chain.
From BB+ to BB, which floor is the gap?
In June this year, KBRA, a credit rating agency, rated Anthropic BB+ issuer. This is the highest level of speculation, only one level below the investment level - the BBB-threshold.
The rigid criterion for the investment grade is not the size of the collection, but the "stable solvency". Biop and Moody ' s are usually looking at three dimensions: debt/EBITA ratios are less than three times, interest coverage is more than five times, and free cash flows continue to cover capital expenditure. Anthropic currently holds over $112 billion in cash, but the plan disclosed in the book of calls is to invest over $800 billion in computing infrastructure by 2045. The cash flow prediction model can pass the pressure test only by 2028, and the problem is that the volume scale of $800 billion makes all prediction scenarios vulnerable.
Slide from BB+ to BB zone means that the interest rate premium will rise by 50-100 basis points. It's not a small number. For a company requiring rolling finance for a tens of billions of dollars of grade-level projects, the cost of one per cent overpayment of a debt is cumulatively billions of dollars over eight years.
The shift in black stone is essentially an advance management of investor expectations. Private capital markets have always been used to lowering short-term rating expectations before IPO, especially when issuers are at a high level of capital spending. Worse still, no one would think that a company that could save another billion interest each year would be overrated.
Sub-debt structure in the $63 billion chip financing
This $63 billion chip financing transaction is worth looking at. According to Glen, $18 billion of that amount was a sub-debt supported by lease payments.
Sub-debts are settled after priority, with higher interest rates and more difficult ratings to maintain. If Anthropic's primary financing instrument is already a sub-debt, it means that even when it is on the market, the upper limit of its capital structure may be locked in speculative zones.
Credit rating agencies are sensitive to the weighting of sub-claims. When sub-debts exceed 20 per cent of total debt, the likelihood of investment-level ratings decreases sharply. 18 billion -- 63 billion -- 28.6 per cent, already on the line.
AI's burning money faster than the finance model can imagine.
This explains why black stones change their mouths — they see hard restrictions on ratings from the capital structure earlier than the outside world. The $80 billion macro needed a credit endorsement that was not lost, but the current debt structure was blocking the road.
This is not a minor correction, but rather a substantive downward revision expected from the rating.
Level threshold for insurance, pension funds
The investment rating (BBB- and above) is an institutional threshold. The pension scheme in the United States is governed by the Employee Retiteration Insurance Act (ERISA), which provides for large amounts of funds that can be allocated only to bonds above the investment level. Insurance funds also face differential treatment in regulating capital occupancy - capital costs for investment-grade bonds are significantly lower than for speculative purposes.
It means nothing. Bonds between BB (BB/B) are classified as "high returns" or commonly referred to as "spam debt". The main buyers of such bonds are hedge funds, high-yielding debt funds and specialized debt-investment teams. Insurance and pension funds, these large pools of long-term stability, are largely excluded.
Once the rating agencies report, the pool is crossed. River
Differences in funding channels for different ratings
What does BB mean by an interest rate premium?
Interest rate premiums are not abstract concepts. By reference to the United States corporate debt market for 2024-2026, the yield curve for investment-grade bonds was roughly between 4 and 6 per cent, while the return on BB-grade high-yielding debt was generally between 8 and 12 per cent, with partial deep speculation levels of over 15 per cent.
The 200-400 base-point spreads in this middle, in the $80 billion capital expenditure plan for Anthropic, are the billions, if not billions, of additional interest expenditures.
More crucial is the rolling risk of debt. AI has a life cycle of more than 10 years, but high-yielding debt has a short duration structure. Enterprises need to enter markets repeatedly at different points in time for refinancing, and each refinancing is exposed to fluctuations in interest rates and changes in the credit environment.
[Source: FT 2026-10-30 Report Reference Informed; KBRA June 2026 BB+ rating data]
Each spread increases the annual interest on 800 billion plates.
What does that mean? For an AI laboratory that planned to invest more than $80 billion in computing infrastructure by 2045, the rating was not a false name, but a lifeline. The level of investment means that insurance funds, pension funds can enter the field; the level of speculation means that borrowing costs rise directly and creditors will be more selective.
First tier: $112 billion cash reserve and IPO fund-raising
Anthropic currently holds more than $112.0 billion in cash and cash equivalents, and investors expect IPO to raise about $100 billion more. That money seemed to be a lot, but it was not enough.
The "bold but rational" scheme, as revealed in the book, has invested more than $80 billion in computing infrastructure between now and 2045. Even without taking into account inflation and changes in interest rates, average annual expenditure would be over $40 billion. 112 billion in cash plus IPO fund-raising will last three years. The remaining gap can only be filled by debt financing.
The path of debt financing coincided with the rating.
Second floor: bond issuance and bank credit
Of the $63 billion chip financing deal, $18 billion is a sub-debt supported by lease payments. The investor structure of the transaction illustrates everything: the black stone is leading the financing and, at the same time, sending a risk signal to other participants.
BB+ is only one step below the investment level (BBB-). From BB+ to BBB-, what is needed is not "good prospects," but a positive cash flow, a debt/EBITA ratio of less than three times, and predictability of income. Anthropic is also currently engaged in large-scale procurement of GPUs and the construction of data centres, with book profits far from covering capital expenditures.
More precisely, rating agencies look at whether free cash flows will support debt repayment over the next three years. Anathropic's model training and reasoning service income, though growing rapidly, is also increasing at an exponential level - This is a negative cycle until a critical point where income is increasing faster than cost.
If Anthropic maintains the BB level, its bond yields may be 300 to 500 basis points above the investment level. For the $80 billion calculus, this is not a decimal.
Impact of changes in ratings on quantization financing costs
Level three: exit paths for private capital like black stone
Black stone is anthropic, logic is similar to other AIs: early entry at low prices and exit from the second market to earn a liquidity premium. But the problem is that if the post-market rating is BB, secondary market investors will also require higher risk compensation.
Blackstone had expected Anthropic to obtain an investment grade rating by the end of the year, which was based on two assumptions: high and sustained growth in Claude’s API income; and effective control of capital spending. The latest rewording indicates that at least one of these assumptions has shaken.
A more realistic exit path might be to market it at BB level, accumulate financial data for 2-3 years, and optimize the capital structure through targeted increases or bond buy-backs after an upward rating. This road works, but it costs a lot of time — the AI race doesn't wait.
The investment level is the threshold, the BB+ is the edge of the cliff, and Anthropic is now going back from the edge of the cliff. A $80 billion calculus requires a credit endorsement that does not lose.
What does that mean? The distinction between investment and speculative levels is not along the technical route, but rather in cash flow discipline. BB+ is on the edge of the cliff, and Anthropic is now going back from the edge.
Route A: Post-market sprint investment Level
The ideal path is to keep the pace of capital spending up to the pace of growth. Anthropic currently holds more than $112 billion in cash and cash equivalents, and IPO expects to raise about $100 billion more. How long this money will burn depends on two variables: API revenue growth and infrastructure utilization.
The core threshold for investment grade ratings is that the interest cover multiplier (ICR) is more than three times higher. Assuming that Anthropic achieves a balance of gains and losses in 2028, with an annual revenue of $30 billion and a net profit margin of 15 per cent, EBITDA would be approximately $4.5 billion. At the nominal rate of 8 per cent for BB-class bonds, annual interest expenditure would have to be kept within $1.5 billion, with corresponding obligations not exceeding $19 billion.
The problem is that the $800 billion capital expenditure plan, even if financed through debt by only 10 per cent, requires additional leverage of $80 billion. Where is this money coming from? The funds raised by IPO have been clearly used for day-to-day operations and initial inputs, making it difficult to shift directly to a source of long-term debt servicing.
Rating agencies are accounting.
A more realistic time line is the size of the 2027 IPO, the 2028-2029 build-up, and the investment-level threshold may not be reached until 2030. If OpenAi or Google continues to take the market down during these three years, the profit model of Anthropic will be revalued repeatedly.
Path B: Long-term maintenance of high-yield debt finance
The other path is to accept BB-class as normal and support expansion with high-yield debt. This path has precedent in the history of technology: the early AWS and SpaceX have all gone through the speculative phase.
Interest rate premiums on BB-class bonds increased by approximately 300-400 basis points over the investment grade. Assuming that Anthropic issues high-yield debt over a 10-year period at a nominal rate of 10 per cent and an investment-grade bond rate of 6 per cent, the annual interest difference for each $1 billion debt is $40 million. If 50 per cent of the $80 billion in total expenditure were financed through bonds, the additional interest costs for the entire cycle could amount to tens of billions of dollars.
This value is worthless and depends on the capacity rate of return. High-yielding debt financing can be cost-effective if each dollar of debt brings more than 10 per cent of the positive lease returns. The problem is that lease prices in the ACMC are moving down rapidly. The daily rent of NVIDIA H100 in 2024 was approximately $5,000, and by 2025 it had fallen to $3,000. Price warfare means that Anthropic's debt solvency will continue to erode.
[Reaction=backend-system-design|caption=rating is not a technical issue]
There is also a hidden cost of high-yielding debt: a binding provision. BB-class bonds usually have financial covenants, such as asset liability ratios that do not exceed a certain threshold, minimum liquidity requirements, etc. In case of violation, early redemption or cross-default may be triggered. For a company with highly uncertain capital expenditure, this constraint is a double-edged sword.
Path C: Phased securitization of assets to support arithmetical expansion
The third path is to bypass traditional credit ratings and finance them with asset securitization (ABS) or rights of return. This model is common in the area of infrastructure: photovoltaic plants, data centres are financed through the issuance of ABS tools by project companies.
In the case of Anthropic, consideration could be given to packageting ABS rights of revenue from a credit lease. Assuming that the present value of total revenue from a robust lease over the next 10 years is $200 billion, 30 per cent of this income could be used as a bottom asset issuer, raising $60 billion in one-time terms. The advantage of this approach is that it does not affect the rating of the parent entity, but is that it is structurally complex and costly to issue.
Financialization of computing power
More radical is the use of the GPU cluster itself as collateral. The second-hand residual value of NVIDIA H100Z114Z is about 60 per cent, and a $5,000 H100 can still sell $3,000 after three years. Are financial institutions willing to provide loans for this purpose? This requires a system of valuation and disposal of GPU assets, which currently does not have a mature secondary market.
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Anthropic rating path selection matrix
The three tracks are not absolutely good or bad, but only conditional. Path A fits into a scenario where the rate of increase is above 50 per cent and the profitability is stable; Path B fits into a capital market environment that is highly leveraged and with a liberal interest rate environment; Path C fits into a situation where there are clear cash-flow assets but there is limited creditworthiness.
The real sign of the black stone shift is that it does not want investors to have unrealistic expectations of short-term rating increases. For Anthropic, it is more important to figure out one thing — whether the marginal return on each dollar of debt in the $800 billion expansion plan can outrun the financing costs of BB-class bonds.
Rating agencies do not care about vision
The answer lies in the pricing power of the calculating lease contract. If Anthropic can lock high long-term rents through exclusive agreements, the investment grade is sustainable; if it can only be priced, then BB level is the end.
This statement, contrary to the black stone guidelines a few months ago, also allowed the plan to burn $800 billion in AI laboratories for the first time in 20 years, putting the financing cost on the table.
Selective decision-making: What rating structure is appropriate for the base structure?
Key variables: income recognition rhythm vs Capital expenditure commitments
The dilemma of Anthropic is not the lack of money, but the speed at which money is spent and the speed at which income is entered is not on a time scale. The book says "bold but rational," but reason depends on the pace of revenue recognition.
Claude API's billing model is token-driven, which means that income is linear with model calls. However, the construction cycle of the GPU cluster is usually 18 to 24 months, while the depreciation is amortized in five years straight. When capital spending is concentrated and income is rising, there are structural gaps in free cash flows.
This determines the core judgement dimensions of rating agencies: the ability of EBITDA to cover interest. If Anthropic maintains high R & D capital expenditure for three years after listing, EBITDA Margin will be difficult to get right quickly, and ratings will naturally wander between BB sectors.
More precisely, the key variable is not the size of total financing, but the proportion of annual capital expenditure to expected income. It is common practice in industry to maintain EBITDA/Interest coverage multipliers above 3x as a security cushion at the investment level, and lower than 2x triggers downgrade warning.
Wind-controlled boundary: Multiplier of cash-flow coverage and investment base Line
The investment level is not a number, but a combination of financial constraints. Standard & Poor ' s and Moody ' s common thresholds for the investment grade of STIs are broadly as follows: debt/EBITA is not higher than 3x, interest coverage is not less than 3x, operating cash flows are positive and the maturity distribution of debt over the next 12 months is not over-centralized.
Anthropic currently has $112.0 billion in cash reserves that look thick, but in the face of the $80 billion capital commitment in 2045, it covers only the last four years of expenditure. In other words, between now and 2029, companies must sustain their operations with sustained financing.
If financing depends on high-yielding debt, the interest rate premium will eat up the profit margin; if bank credit is relied upon, the maturity mismatch risk will increase. Both paths are difficult to follow, because rating agencies are not looking at visions, but at financial data for the past 24 months.
To be honest, there are only two ways for Anthropic to get an investment grade as soon as he's on the market: Either make Claude ' s income grow faster than capital expenditure within two years, or securitize part of the calculator ' s assets and move the liability outside the table. The former depend on products and the latter on financial engineering.
VI. Set points: business judgement behind a BB rating
The signal meaning of the black stone.
The black stone has been readjusted from the "available investment level before the end of the year" to the "BB zone" and is essentially a re-pricing of the Anthropic cash flow path. This is not a denial of technological prospects, but a insistence on financial discipline.
The interests of private equity funds and credit rating agencies are not consistent. Blackstone exits require stock price increases rather than credit upgrades; for rating agencies to be stable, it requires predictable cash flows rather than an exponential growth story.
Worse still, the BB rating means that bond rates may be 300 to 500 basis points higher than the investment grade. For companies that need tens of billions of dollars a year in financing, these 3 to 5 per cent spreads are hundreds of millions of dollars a year in additional interest expenditure.
This is not a small number, but a key variable determining whether corporate capital structures support long-term expansion.
How Anthropic walks between leverage and commitment.
Anthropic has chosen a high-risk path: using high leverage to support excessive cycles of capital spending commitments. This is not uncommon in traditional infrastructure industries, where nuclear and wind power projects rely on project financing and long-term debt, but are supported by government subsidies or monopolistic revenue streams.
AI has no such umbrella. Its income comes from competition in the market and is far more intense than any traditional utility.
Empirically, companies able to survive with high leverage usually have two characteristics: either technical barriers are sufficiently high to sustain pricing rights; or exit mechanisms are sufficiently clear and investors are willing to pay for uncertainty. Anthropic has both, but that's all.
This path requires higher-than-anticipated growth in product revenues or innovative financing structures, such as packaging some data centre assets as REITs or infrastructure funds.
If after a year IPO pricing is successful and market sentiment warms, rating agencies may reassess the viability of their path. But if income data fall short of expectations, the BB level may become BB-, the cost of financing will deteriorate even further.
Ultimately, the business judgement behind this BB rating is clear: not what Anthropic needs to prove is not how highly skilled, but whether its cash flow model supports the $800 billion commitment.
References
- [1] Blackstone says Anthropic was listed or had difficulty obtaining investment grade credit ratings, IT House, 2026-10-31, i.ifeng.com/c/8xg8IPFnb...
-[2] Anthropic's financing prospects are so bad that black stones are reported to be diluting their post-market rating prospects, FC/ORW, 2026-10-31, wap.eastmoney.com/a/202610313...
- [3] Gelanghui Flash: Blackstone (BX) says Anthropic may not obtain an investment-grading after its IPO, 2026-10-31, es.tradeview.com/news/gelong...
- [4] Forbes/CausMoney tweet, 2026-10-30, x.com/CausMoney/s…
- [5] Newsquawk: Blackstone told investors Anthropic may not receive an investment-grade rating immediately after going public, FT reports, 2026-10-30, www.newsquawk.com/headlines/b…
- [6] TechCrunch: Anthropic expected to receive high 'junk' rating from credit agencies following IPO, 2026-10-30, techcrunch.com/2026/10/30/…
2026-10-30, caus.com
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