CacheFly vs Fastly

Neither wins outright: CacheFly is cheaper for 2 of 3 workloads and Fastly for the rest.

List prices checked

Rate cards side by side

Only the axes at least one of them bills on. A dash means that provider does not charge for it.

Billing axisCacheFlyFastlyDifference
Data transfer out$0.030/GB$0.120/GB4× CacheFly
Free tierNoYes

Source: CDN77 pricing (May 2026) · Fastly pricing (August 2026). Published list prices only — committed-use discounts, regional variation, and per-request charges are not included. Not yet independently re-checked against the vendor’s page.

Monthly cost for three real workloads

The rate cards applied to identical usage. This is where the winner changes.

WorkloadCacheFlyFastlyCheaper
Side projectA personal site or small app with modest traffic, a few gigabytes of assets, and one small always-on process.$3.00$0Fastlysaves $3.00/mo (100%)
Growing SaaSA funded product serving a few thousand daily users, with an image-heavy frontend and two application servers.$30$108CacheFlysaves $78/mo (72%)
Media-heavy siteA publisher or video product where delivery dominates the bill and compute is almost an afterthought.$300$1,188CacheFlysaves $888/mo (75%)

Workload definitions are identical on every comparison page, so figures here can be read against any other pair in the same category.

What each one is for

CacheFly

by CDN77

A long-established delivery network focused on throughput consistency for software distribution and streaming, sold on committed monthly volume.

Fastly

by Fastly

A programmable CDN with instant global purge and edge compute. Priced at the top of the market per gigabyte and sold on control rather than cost, with a permanent 100 GB monthly free allowance.

Free tier: 100 GB of bandwidth per month, permanently free

Common questions

Is CacheFly or Fastly cheaper in 2026?
It depends on volume — CacheFly wins 2 of the 3 modelled workloads and Fastly wins 1. The scenario table above shows where the crossover falls.
What is the difference in egress cost between CacheFly and Fastly?
CacheFly charges $0.030 per GB against Fastly's $0.120, roughly 4× cheaper. Egress usually dominates the bill once traffic is measured in terabytes.
Which has the better free tier, CacheFly or Fastly?
Fastly does — 100 GB of bandwidth per month, permanently free. CacheFly bills from the first unit of usage.
What do these estimates not include?
Committed-use and reserved discounts, regional price variation, per-request API charges, support plans, and minimum retention periods. All of those move real invoices, sometimes by a lot. These figures compare published list prices for the same workload, which is the comparison the rate cards alone cannot give you.

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