Human-led pentesting
Vulnix vs Cobalt
Cobalt matches your scope with vetted human pentesters for scheduled engagements. Vulnix is an autonomous pentester you can run yourself, any time and on every pull request.
Choose Vulnix if
You want continuous testing between engagements, results in hours instead of weeks, and a predictable flat price per run.
Choose Cobalt if
You need a scheduled, human-delivered pentest with an auditor-ready report signed off by testers.
Side by side
How Vulnix and Cobalt compare
Capability
VulnixCobalt- Delivery modelSelf-serve SaaS: sign up and launch a pentest in minutesPentest-as-a-service delivered by human testersDelivery modelSelf-serve SaaS: sign up and launch a pentest in minutesPentest-as-a-service delivered by human testers
- Starting priceFree trial, then from $99/mo, with flat credits per actionWeb app pentests from about $8,500Starting priceFree trial, then from $99/mo, with flat credits per actionWeb app pentests from about $8,500
- When tests runOn demand at any time, plus on every pull requestScheduled engagements, launching in about 24 hoursWhen tests runOn demand at any time, plus on every pull requestScheduled engagements, launching in about 24 hours
- Exploit-validated findingsYesEvery finding ships with reproduction evidenceYesProofs of concept from human testersExploit-validated findingsYesEvery finding ships with reproduction evidenceYesProofs of concept from human testers
- Live web app & API testingYesAuthenticated blackbox runs against your verified domainsYesWeb, mobile, API, network and cloud, by scopeLive web app & API testingYesAuthenticated blackbox runs against your verified domainsYesWeb, mobile, API, network and cloud, by scope
- Fix pull requestsPartlyOne-click fix PR for whitebox findings that carry a patchNoNoFix pull requestsPartlyOne-click fix PR for whitebox findings that carry a patchNoNo
- Re-test a fix with the original exploitYesValidate-Fix replays the exploit against that one findingPartlyFree retests within six monthsRe-test a fix with the original exploitYesValidate-Fix replays the exploit against that one findingPartlyFree retests within six months
- Human pentestersNoFully autonomous agentYes400+ vetted pentestersHuman pentestersNoFully autonomous agentYes400+ vetted pentesters
- Auditor-ready compliance reportsNoExportable findings reports, not an audit attestationYesSOC 2, PCI DSS, ISO 27001Auditor-ready compliance reportsNoExportable findings reports, not an audit attestationYesSOC 2, PCI DSS, ISO 27001
- Self-hosted or on-premNoManaged cloud; every run in its own isolated sandboxNoNoSelf-hosted or on-premNoManaged cloud; every run in its own isolated sandboxNoNo
- Best forProduct teams testing web apps, APIs and code on every releaseScheduled, human-signed compliance pentestsBest forProduct teams testing web apps, APIs and code on every releaseScheduled, human-signed compliance pentests
Cobalt details are taken from its public product pages and published pricing, reviewed September 2026. Rows we couldn't confirm are left out rather than guessed. Cobalt are trademarks of their respective owners.
Where Vulnix goes further
- Fix pull requestsOne-click fix PR for whitebox findings that carry a patch
Where Cobalt is strong
- 400+ vetted human pentesters matched to your stack.
- Auditor-accepted report templates, with free retests within six months.
- Engagements can launch in about 24 hours.
Questions
What's the difference between Vulnix and Cobalt?
Cobalt matches your scope with vetted human pentesters for scheduled engagements. Vulnix is an autonomous pentester you can run yourself, any time and on every pull request.
When should I choose Vulnix over Cobalt?
Choose Vulnix if you want continuous testing between engagements, results in hours instead of weeks, and a predictable flat price per run.
When is Cobalt the better fit?
Choose Cobalt if you need a scheduled, human-delivered pentest with an auditor-ready report signed off by testers.
How does Vulnix pricing compare with Cobalt?
Vulnix starts with a free trial, then plans from $99/mo. Each action costs a flat number of credits: a quick scan is 25, a deep pentest 100, a whitebox pentest 150 and a PR review 15. Cobalt: web app pentests from about $8,500.
Can I use Vulnix and Cobalt together?
Yes, and it's a common setup: a human-led pentest for the compliance report once or twice a year, with Vulnix covering every release in between.
