Devin vs Takumi byGMO security AI agent
Quick answer
Devin (Cognition) and Takumi byGMO security AI agent (AI-SAST/AI-DAST diagnosis, automatic fix pull requests and AI penetration testing) (GMO Flatt Security (GMO Flatt Security株式会社)) are both listed in the Code security category of Agent Index.
They share no framework tags in our dataset.
This is not a ranking.
Devin (Cognition) and Takumi byGMO security AI agent (AI-SAST/AI-DAST diagnosis, automatic fix pull requests and AI penetration testing) (GMO Flatt Security (GMO Flatt Security株式会社)) are both listed in the Code security category of Agent Index. They share no framework tags in our dataset.
| Field |  Devin |  Takumi byGMO security AI agent (AI-SAST/AI-DAST diagnosis, automatic fix pull requests and AI penetration testing) |
|---|---|---|
| Vendor | Cognition | GMO Flatt Security (GMO Flatt Security株式会社) |
| HQ | United States · North America | Japan · Asia Pacific |
| 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. | Japanese security AI agent that continuously finds vulnerabilities with AI-SAST and AI-DAST (including logic, authentication and authorisation flaws), generates fix patches and opens pull requests with unit tests, and runs AI penetration tests that actually attempt intrusion to prove exploitability. |
| Frameworks (vendor-stated) | — | — |
| Frameworks (vendor-claimed) | FedRAMP | ISO 27001 (ISMS certification, vendor claim) |
| Capabilities / tasks | agent platform with security integrations, remediation, appsec | appsec, sast, remediation, pr review, pen test management, vulnerability 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). | Published on flatt.tech/takumi: base fee JPY 70,000/month (excl. tax) including 250 credits shared across diagnosis, auto-fix and AI pentest, 15 Takumi Guard users and Runner minutes; overage JPY 280 per credit; a 30-day AI penetration test offer at JPY 980,000 (excl. tax, through end of 2026). |
| Pricing model | published-tiers | published-tiers |
| Primary source | https://docs.devin.ai/work-with-devin/mcp | https://flatt.tech/takumi |
| Last checked | 2026-10-18 | 2026-10-20 |
| Official site | https://devin.ai/ | https://flatt.tech/takumi |
FAQ (from this dataset)
What is the difference between Devin and Takumi byGMO security AI agent?
Both are listed under Code security. Shared tasks: remediation, appsec. Devin-only tasks: agent-platform-security-integrations. Takumi byGMO security AI agent-only tasks: sast, pr-review, pen-test-management, vulnerability-management. Differences are from stored category and task tags, not a ranking.
Which one publishes pricing?
Devin: 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). Takumi byGMO security AI agent (AI-SAST/AI-DAST diagnosis, automatic fix pull requests and AI penetration testing): Published on flatt.tech/takumi: base fee JPY 70,000/month (excl. tax) including 250 credits shared across diagnosis, auto-fix and AI pentest, 15 Takumi Guard users and Runner minutes; overage JPY 280 per credit; a 30-day AI penetration test offer at JPY 980,000 (excl. tax, through end of 2026).
Where are Devin and Takumi byGMO security AI agent headquartered?
Devin publishes HQ in United States. Takumi byGMO security AI agent (AI-SAST/AI-DAST diagnosis, automatic fix pull requests and AI penetration testing) publishes HQ in Japan.
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.
Use-case comparisons
- AI code security agents — 33 listings (Application security scanning, suggested or automated code fixes, and pull-request security review)
- Agentic pentesting AI agents — 33 listings (Autonomous or AI-assisted penetration testing, attack-surface testing and exploitable-path verification)
Related
- Devin alternatives
- Takumi byGMO security AI agent (AI-SAST/AI-DAST diagnosis, automatic fix pull requests and AI penetration testing) alternatives
- Best code security AI agents
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