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Gatsby vs FastAPI

Security & risk comparison · Updated June 2026

How does Gatsby compare to FastAPI on security, AI-readiness, and total cost of ownership? We scored both across 7 dimensions using NVD/NIST CVE data, GitHub metrics, and our scan of 10M+ sites.

Key finding

FastAPI scores 82/100 overall versus Gatsby's 60/100. FastAPI has 8 total CVEs compared to Gatsby's 15, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

60
Gatsby
Modern · JAVASCRIPT
vs
82
FastAPI
Modern · PYTHON
Dimension-by-dimension breakdown
security FastAPI
78
90
Gatsby
FastAPI
performance Tie
65
65
Gatsby
FastAPI
ecosystem FastAPI
25
85
Gatsby
FastAPI
ai readiness FastAPI
60
95
Gatsby
FastAPI
developer experience FastAPI
70
88
Gatsby
FastAPI
market trajectory FastAPI
25
70
Gatsby
FastAPI
cost of ownership Gatsby
90
75
Gatsby
FastAPI
Security details
Metric Gatsby FastAPI
Total CVEs 15 8
Critical CVEs 1 0
Exploited (KEV) 0 0
CVEs last year 4 2
Avg CVSS 4.2 3.5
Security score 78/100 90/100
Acceptable
Gatsby

Gatsby scores 60/100. Verdict: Acceptable.

Recommended
FastAPI

FastAPI scores 83/100. Verdict: Recommended.

Quick facts
Gatsby
Category: Ssg
Language: JAVASCRIPT
First release: 2015
Generation: Modern
Trend: Stable
Market share: 0.3%
FastAPI
Category: Backend
Language: PYTHON
First release: 2018
Generation: Modern
Trend: Rising
Market share: 0.6%
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Data sourced from NVD/NIST CVE database, GitHub API, and WebPulse framework scanner. Scores calculated using a 7-dimension model covering security, performance, ecosystem health, AI-readiness, developer experience, market trajectory, and cost of ownership. Updated June 2026.