SAASPOCALYPSEcase · head-to-head
wedge comparison
subjects of investigation
fastly.comvsslack.com
which is stronger?
→vs←
clone time
3 months
contested3 months
slack.com
team messaging & AI work platform
43/ 100
wedge scorefull report ↗
moat
how deep is each moat.
fastly.com · aggregate
6.5/10real moat
moat delta-0.8
slack.com · aggregate
5.7/10real moat
9.0
capital-4.0 →
5.0
8.0
technical-4.0 →
4.0
3.0
network+5.0 →
8.0
7.0
switching-1.0 →
6.0
4.0
data-1.0 →
3.0
6.0
regulatory-4.0 →
2.0
—
distribution—
8.4
floor
cost + time, side by side.
monthly floorfastly.com wins
fastly.com
$1 + usage
slack.com
$47
delta −$46slack.com costs ~47× more per month to keep alive.
time to cloneslack.com wins
fastly.com
∞
slack.com
3 months
delta · finite vs. ∞slack.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 fastly.com · 11
integrations
shared · 11
serverless / edge platform
only slack.com · 33
api platformcloud file storagesubscriptions
stack
what they're built on.
shared infra and the differentiating bits.
only fastly.com · 77
AWSbandwidthCloudflare WorkersCloudFrontFastlyGatsbyS3
shared infra · 44
CloudflarePostgresSupabaseVercel
only slack.com · 77
MeilisearchNextAuthNext.jsCloudflare R2ResendSalesforceSupabase Auth
the verdict
ATTACK SLACK FIRST
same comparison surface, two different walls. give the slack attack a month. circle back to fastly only if you genuinely need what it does that the other doesn't.
the case
matched moat depth
full reportcontested · 35
→ read the fastly.com report
full reportcontested · 43
→ read the slack.com report
← saaspocalypse · directoryhead-to-head