SAASPOCALYPSEcase · head-to-head
wedge comparison
subjects of investigation

datadoghq.comvsfastly.com

which is stronger?

clone time
3 months
fortress

datadoghq.com

cloud monitoring & observability platform

27/ 100
wedge scorefull report ↗
clone time
contested

fastly.com

edge cloud + CDN platform

35/ 100
wedge scorefull report ↗
moat

how deep is each moat.

datadoghq.com · aggregate
7.3/10deep moat
moat delta-0.8
fastly.com · aggregate
6.5/10real moat
7.0
capital+2.0 →
9.0
8.0
technical±0
8.0
5.0
network-2.0 →
3.0
8.0
switching-1.0 →
7.0
7.0
data-3.0 →
4.0
6.0
regulatory±0
6.0
9.5
distribution
floor

cost + time, side by side.

monthly floorfastly.com wins
datadoghq.com
$47 + usage
fastly.com
$1 + usage
delta +$46datadoghq.com costs ~47× more per month to keep alive.
time to clonedatadoghq.com wins
datadoghq.com
3 months
fastly.com
delta · finite vs. ∞datadoghq.com is buildable; fastly.com effectively isn't.
overlap

where they fight, where they don't.

features only one ships, plus the small middle they share.
only datadoghq.com · 22
automationsllm inference
shared · 11
integrations
only fastly.com · 11
serverless / edge platform
stack

what they're built on.

shared infra and the differentiating bits.
only datadoghq.com · 88
ClickHouseNext.jsCloudflare R2ReactrechartsResendtimescaledbtremor
shared infra · 66
AWSCloudflareCloudFrontPostgresSupabaseVercel
only fastly.com · 55
bandwidthCloudflare WorkersFastlyGatsbyS3
the verdict
ATTACK FASTLY FIRST

same comparison surface, two different walls. give the fastly attack a month. circle back to datadoghq only if you genuinely need what it does that the other doesn't.

the case
a full tier easiersmaller monthly billmatched moat depth
read the fastly report →
full reportfortress · 27
→ read the datadoghq.com report
full reportcontested · 35
→ read the fastly.com report