Devin vs Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent)
Devin (Cognition) and Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent) (Nullify (Nullify Holdings Pty Ltd)) are both listed in the Code security category of Agent Index. They share no framework tags in our dataset.
| Field |  Devin |  Nullify autonomous product-security agents (find-to-fix with merge-ready PRs and AI Pentest Agent) |
|---|---|---|
| Vendor | Cognition | Nullify (Nullify Holdings Pty Ltd) |
| HQ | United States · North America | Australia · Australia and New Zealand |
| Primary category | Code security | Code security |
| Also listed in | Code security, Business operations | Code security, Security |
| Summary | Cognition’s autonomous coding agent. Listed here only for documented Snyk MCP/CLI scanning and SonarQube/Snyk/Checkmarx IDE plugins — not as a dedicated security product. | Australian 'autonomous system of agents' for product security that covers code, secrets, API pentesting and exploit validation. It proves findings with reproducible evidence, scores them against the customer's assets, writes merge-ready fix PRs routed to code owners, and runs remediation campaigns through Jira and Slack until merge, with the customer keeping final merge approval. |
| Framework tags (Agent Index) | — | — |
| Frameworks (vendor-claimed) | FedRAMP | — |
| Capabilities / tasks | agent platform with security integrations, remediation, appsec | appsec, sast, sca, secrets detection, remediation, vulnerability management, pen test management |
| Pricing (as published) | Self-serve plans on devin.ai/pricing: Free $0; Pro $20/month; Max $200/month; Teams $80/month minimum plus $40/month per full seat; Enterprise custom (ACUs). | Not published. Nullify says it prices on work performed (scoped program and estimated volume), not seats or license tiers. |
| Pricing model | published-tiers | quote |
| Primary source | https://docs.devin.ai/work-with-devin/mcp | https://www.nullify.ai/ |
| Last checked | 2026-10-18 | 2026-10-19 |
| Official site | https://devin.ai/ | https://www.nullify.ai/ |
Listings tagged agent platform with security integrations are coding platforms with a documented scanner or vulnerability-fix workflow, not dedicated application-security products. Dedicated AppSec listings are compared on the AI code security agents table.
Side-by-side data is generated from the open dataset. “Vendor-claimed” frameworks are as marketed by each vendor and not verified by Agent Index; framework tags indicate relevance, not certification. Request current quotes from each vendor before buying. This page does not rank or score vendors. Sponsored comparisons, if any, will be labelled.
Use-case comparisons
- AI code security agents — 28 listings (Application security scanning, suggested or automated code fixes, and pull-request security review)
- Agentic pentesting AI agents — 19 listings (Autonomous or AI-assisted penetration testing, attack-surface testing and exploitable-path verification)
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