Content delivery networks · October 2026 Edition
Amazon CloudFront vs Fastly
One of fourteen models named Amazon CloudFront first on the direct prompt; zero named Fastly. Both were named by all fourteen models and Amazon CloudFront carries 68 labels and Fastly 61, so the shares are not directly comparable.
Named in four categories this edition.
Named in four categories this edition.
First-choice share5%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate22%20%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 8; printed, not drawn.
Labels6861A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Amazon CloudFront reading right to left. Rank and label count are printed, not drawn.Cloudflare was named alongside these two in twelve of the fourteen direct answers. Cloudflare vs Amazon CloudFront · Cloudflare vs Fastly · Bunny.net vs Amazon CloudFront
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the content delivery networks page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Amazon CloudFrontFirst choices, of fourteen modelsFastly
Direct102 against Amazon CloudFront · 2 against Fastly
Paraphrase101 against Amazon CloudFront · 2 against Fastly
Comparative001 against Amazon CloudFront
Budget-constrained003 against Amazon CloudFront · 3 against Fastly
Scale-constrained121 against Amazon CloudFront
Negative007 against Amazon CloudFront · 5 against Fastly
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the October 2026 Edition, Amazon CloudFront and Fastly were named in the same answer 147 times, of the 190 answers naming Amazon CloudFront and the 175 naming Fastly. In those answers Fastly took the first choice five times and Amazon CloudFront four.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Amazon CloudFront and Fastly stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | | | ||
| GPT-5.4 mini | | | | | ||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | |||
| Grok 4.1 Fast | | | | | | |
| Mistral Small | | | | |||
| DeepSeek V4 Flash | | | | | | |
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | | | | | ||
| Kimi K2 | | | | | | |
| GLM 4.7 FlashX | | | | | | |
| MiniMax M2.5 | | | | | ||
| GPT-6 Luna | | | | | ||
| Muse Glimmer 30B | | | | | |
Amazon CloudFront Fastly first choice named as an alternative argued againstblank: not namedEach cell is one answer, Amazon CloudFront on the left and Fastly on the right.The direct prompt
The plain question, one answer per model, grouped by where Amazon CloudFront and Fastly stood in it.
Amazon CloudFront first, Fastly not the choice
1 of 14 modelsFastly was named in the answer but not as the choice, or not at all.Claude Haiku 4.5Amazon CloudFront, CDN77 alternatives: Azure CDN, Cloudflare, Gcore
Neither was the first choice, one was named
10 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniCloudflare alternatives: Amazon CloudFront, Fastly
Gemini 3.5 FlashCloudflare alternatives: Bunny.net, Fastly
Perplexity SonarCloudflare alternatives: Akamai, Amazon CloudFront
Grok 4.1 FastCloudflare alternatives: Amazon CloudFront, Bunny.net, KeyCDN
DeepSeek V4 FlashCloudflare alternatives: Amazon CloudFront, Bunny.net
Kimi K2Cloudflare alternatives: Bunny.net, Fastly, KeyCDN
GLM 4.7 FlashXCloudflare alternatives: Amazon CloudFront, Bunny.net, Fastly
MiniMax M2.5Bunny.net, KeyCDN alternatives: Amazon CloudFront, Cloudflare
GPT-6 LunaCloudflare alternatives: Amazon CloudFront, Fastly
Muse Glimmer 30BCloudflare alternatives: Amazon CloudFront, Bunny.net, Fastly, KeyCDN
Neither was named
3 of 14 modelsThe answer made no first choice from these two in this category.Mistral SmallBunny.net, KeyCDN
Llama 4 MaverickBunny.net, KeyCDN alternatives: BlazingCDN
Qwen 3.7 FlashKeyCDN alternatives: BlazingCDN, Bunny.net, Cloudflare
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
Amazon CloudFront0%#4 of 7Fastly0%#5 of 7Mid-marketThe figures above
Amazon CloudFront leads by two points.
Amazon CloudFront5%#4 of 8Fastly4%#5 of 8Enterprise
The order flips: Fastly leads at enterprise.
Fastly6%#4 of 8Amazon CloudFront4%#5 of 8What the models said about Amazon CloudFront
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“It's best to avoid unless you have strict cost controls and predictable traffic patterns.” Mistral Small · negative prompt · hard negative
“At 500 TB a month, Amazon CloudFront's North America list pricing works out to roughly $24,600 before request fees... The same bytes on a volume-tier CDN cost between $1,500 and $2,500.” Muse Glimmer 30B · scale prompt · soft negative
“Lambda@Edge is generally slower and more expensive to execute than Cloudflare Workers or Fastly's Compute@Edge, and AWS data transfer pricing can become complex and costly at scale” Claude Haiku 4.5 · comparative prompt · soft negative
“1. Amazon CloudFront - Best for companies already using AWS... If you're on AWS, go with CloudFront.” Mistral Small · paraphrase prompt · first choice
“For mid-market B2B specifically, CDN77 and CloudFront emerge as particularly well-suited options” Claude Haiku 4.5 · direct prompt · first choice
“I'd recommend evaluating Cloudflare, Fastly, Akamai, and CloudFront first” GLM 4.7 FlashX · scale prompt · first choice
What the models said about Fastly
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“Avoid enterprise ones (Akamai, Fastly) as they're pricier.” Grok 4.1 Fast · budget prompt · hard negative
“Fastly’s VCL‑based cache logic is powerful but can be brittle; mis‑configuration can lead to cache‑invalidation issues or performance regressions.” GLM 4.7 FlashX · negative prompt · soft negative
“good option for development-heavy teams ... but it is more specialized than Cloudflare for a broad mid-market B2B use case” Perplexity Sonar · direct prompt · soft negative
“Fastly: *The "Developer-First" Choice.* Best-in-class real-time purging ... Ideal if your engineering team wants complete programmatic control.” Gemini 3.5 Flash · scale prompt · first choice
“I'd recommend evaluating Cloudflare, Fastly, Akamai, and CloudFront first” GLM 4.7 FlashX · scale prompt · first choice
“Fastly if your site or app needs very fast purging, high configurability, real-time control, or developer-heavy workflows” GPT-5.4 mini · paraphrase prompt · alternative
Also compared
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.