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FastAPI vs Gatsby

Security & risk comparison · Updated June 2026

How does FastAPI compare to Gatsby 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)

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

FastAPI scores 83/100. Verdict: Recommended.

Acceptable
Gatsby

Gatsby scores 60/100. Verdict: Acceptable.

Quick facts
FastAPI
Category: Backend
Language: PYTHON
First release: 2018
Generation: Modern
Trend: Rising
Market share: 0.6%
Gatsby
Category: Ssg
Language: JAVASCRIPT
First release: 2015
Generation: Modern
Trend: Stable
Market share: 0.3%
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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.