Skip to content
← All framework rankings

FastAPI vs Next.js

Security & risk comparison · Updated June 2026

How does FastAPI compare to Next.js 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 Next.js's 81/100. FastAPI has 8 total CVEs compared to Next.js's 25, giving it a smaller vulnerability surface. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

82
FastAPI
Modern · PYTHON
vs
81
Next.js
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security FastAPI
90
82
FastAPI
Next.js
performance Tie
65
65
FastAPI
Next.js
ecosystem Next.js
85
90
FastAPI
Next.js
ai readiness FastAPI
95
88
FastAPI
Next.js
developer experience FastAPI
88
85
FastAPI
Next.js
market trajectory Next.js
70
85
FastAPI
Next.js
cost of ownership Tie
75
75
FastAPI
Next.js
Security details
Metric FastAPI Next.js
Total CVEs 8 25
Critical CVEs 0 2
Exploited (KEV) 0 0
CVEs last year 2 8
Avg CVSS 3.5 4.5
Security score 90/100 82/100
Recommended
FastAPI

FastAPI scores 83/100. Verdict: Recommended.

Recommended
Next.js

Next.js scores 81/100. Verdict: Recommended.

Quick facts
FastAPI
Category: Backend
Language: PYTHON
First release: 2018
Generation: Modern
Trend: Rising
Market share: 0.6%
Next.js
Category: Fullstack
Language: JAVASCRIPT
First release: 2016
Generation: Modern
Trend: Rising
Market share: 3.5%
Related briefings
8 Frameworks Shipped Updates in One Week — Why It Matters
July 2, 2026
Release Velocity This Week: Vue, Angular, and FastAPI All Ship
June 26, 2026
The API-First Stack: FastAPI + Modern Frontend Is the New Greenfield Default
June 22, 2026
Next.js Overtakes WordPress: Top 10K Sites, July 2026 Census
July 3, 2026
8 Frameworks Shipped Updates in One Week — Why It Matters
July 2, 2026
pnpm Lockfile Flaw Puts Next.js Build Pipelines at Execution Risk
June 29, 2026
More comparisons
FastAPI vs WordPress FastAPI vs Drupal FastAPI vs React FastAPI vs Angular FastAPI vs Django FastAPI vs Laravel FastAPI vs Vue.js FastAPI vs Astro FastAPI vs Hugo FastAPI vs SvelteKit FastAPI vs Rails Next.js vs WordPress Next.js vs Drupal Next.js vs React Next.js vs Angular Next.js vs Django Next.js vs Laravel Next.js vs Vue.js Next.js vs Astro Next.js vs Hugo Next.js vs SvelteKit Next.js vs Rails

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.