SAASPOCALYPSEcase · head-to-head
wedge comparison
subjects of investigation
factory.aivsharness.io
which is stronger?
→vs←
moat
how deep is each moat.
factory.ai · aggregate
4.0/10shallow moat
moat delta+1.6
harness.io · aggregate
5.6/10real moat
4.0
capital+3.0 →
7.0
6.0
technical-1.0 →
5.0
2.0
network±0
2.0
5.0
switching+1.0 →
6.0
3.0
data±0
3.0
2.0
regulatory+6.0 →
8.0
—
distribution—
—
floor
cost + time, side by side.
monthly floorfactory.ai wins
factory.ai
$27 + usage
harness.io
$46
delta −$19factory.ai costs less per month to keep the lights on.
time to clonetie
factory.ai
8 weeks
harness.io
8 weeks
comparable build windows on both sides.
overlap
where they fight, where they don't.
features only one ships, plus the small middle they share.
only factory.ai · 22
ai agent platformllm inference
shared · 22
integrationswebhooks
only harness.io · 22
social loginsso (saml/oidc)
stack
what they're built on.
shared infra and the differentiating bits.
only factory.ai · 22
AnthropicOpenAI
shared infra · 77
CloudflareGitHubNext.jsPostgresCloudflare R2SupabaseVercel
only harness.io · 88
AWSAzureCloudflare PagesGoogle CloudPostmarkResendS3Webflow
the verdict
ATTACK FACTORY FIRST
same comparison surface, two different walls. give the factory attack a month. circle back to harness only if you genuinely need what it does that the other doesn't.
the case
smaller monthly billshallower moatsmaller stack
full reportcontested · 60
→ read the factory.ai report
full reportcontested · 44
→ read the harness.io report
← saaspocalypse · directoryhead-to-head