Compared honestly · Updated May 2026

MergeWhy vs Vanta

Vanta is excellent at cloud-posture compliance: policy management, SaaS-integration evidence collection, SOC 2 questionnaires. MergeWhy is excellent at change-evidence compliance: cryptographic vault per merge, OSCAL export, CMMC SPRS, NIST 800-53 from real PR data. Most regulated orgs need both. Below is a specific, no-fog comparison so you can decide.

Disclaimer: we built MergeWhy. We gave Vanta credit where it earned it. If you spot a factual error, email hi@mergewhy.com— we'll correct it the same day.

At a glance

Vanta

Cloud-posture & SaaS-integration compliance
Strengths
  • 200+ SaaS integrations (Okta, AWS, Jamf, GitHub, etc.)
  • Mature SOC 2 questionnaire workflow
  • Best-in-class auditor relationships at Big 4 firms
  • Massive policy template library
Gaps
  • No cryptographic verification of evidence
  • No OSCAL export (FedRAMP Sept 2026 deadline)
  • Change-evidence is a screenshot upload, not auto-captured
  • No CMMC SPRS calculator or DoD-specific tooling

MergeWhy

Change-evidence & cryptographic compliance
Strengths
  • Every PR merge → cryptographically sealed evidence vault
  • OSCAL 1.1.2 SSP / Assessment Results / POA&M export
  • Live CMMC SPRS calculator (free at /cmmc-score)
  • Public Sigstore Rekor anchoring of audit chain
  • AI sovereignty: SaaS, AWS Bedrock, or air-gapped Ollama
Gaps
  • No SaaS-integration breadth (intentional — see below)
  • No customer-base of 9,000+ logos to point at
  • We're younger — 2025 vs Vanta's 2018
  • No auditor-firm partnerships at Big 4 scale (yet)

Feature comparison

Verified May 2026 against publicly documented capabilities. ✓ = ships, ⚪ = partial / requires plan upgrade, ✗ = not available.

Compliance frameworks
SOC 2 Type II
HIPAA
PCI-DSS
ISO 27001 / 27701 / 22301
NIST 800-53 / FedRAMP
Vanta requires upgrade plan; MergeWhy ships in core
CMMC Level 1 / 2 / 3
MergeWhy ships SPRS scoring + 800-171 mapping
SOX ITGC
MergeWhy includes PCAOB AS 2201 stratified sampling
DORA / NYDFS / SEC Cyber
Evidence collection
SaaS-integration auto-evidence (Okta, GitHub, AWS, Jamf, etc.)
Vanta wins on breadth — 200+ vs ~10 GA integrations
Change-evidence from PR merge
Vanta has no equivalent — manual screenshot upload
Cryptographic vault per change
In-browser SHA-256 verify
Sigstore Rekor anchoring
Off-line signed evidence bundle
Federal & defense
OSCAL 1.1.2 export (SSP / AR / POA&M)
Sept 2026 FedRAMP deadline; Vanta has not announced this
CMMC SPRS calculator
MergeWhy: free + public at /cmmc-score
Air-gapped self-hosted deployment
Federal-grade AI option (Bedrock/GovCloud)
Auditor experience
External auditor portal (read-only)
Audit bundle ZIP export
One-click audit pack per framework
MergeWhy: 20-second auto-download. Vanta: configure-then-generate flow
AuditBoard CSV export format
PCAOB AS 2201 stratified sampling
Operations
Policy library + AI-generated drafts
Vanta has the deeper template library
Vendor / TPRM management
Vanta is more polished here
Background checks integration
Vanta: Checkr partnership. MergeWhy: not in scope
Trust Center (public posture page)
Pricing & deployment
Free tier
MergeWhy has a Pilot tier; Vanta requires sales call
Self-hosted option
GitHub Marketplace install

Pick Vanta if…

  • • Your SOC 2 / ISO 27001 evidence is mostly screenshots from 200+ SaaS tools
  • • You don't ship code — you're a non-technical SaaS / services company
  • • Your auditor specifically asks for Vanta packets
  • • You want a deep policy template library out of the box
  • • You need built-in TPRM / vendor risk + Checkr background checks

Pick MergeWhy if…

  • • Your engineering team merges code daily and your auditor cares about every change
  • • You're a DoD contractor or DIB supplier facing CMMC L2/L3
  • • You're pursuing FedRAMP and need OSCAL 1.1.2 by Sept 2026
  • • You sell to enterprises that ask "prove no one tampered with your audit log"
  • • You need data sovereignty: AWS Bedrock, GovCloud, or fully air-gapped

The honest truth: most regulated orgs use both

Vanta and MergeWhy solve different halves of the same compliance burden. Vanta gives your auditor the SaaS-posture half (Okta logs, AWS configs, Jamf MDM). MergeWhy gives your auditor the change-evidence half (every PR, every merge, cryptographically sealed). Roughly half our customers run both. We'll happily do an evidence reconciliation pilot alongside Vanta so you don't have to choose.

Free CMMC SPRS calculator
60 seconds, no signup
Our live Trust Center
See what your auditor will see
Install GitHub App
First DER in 60 seconds