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Phoenix vs Astro

Security & risk comparison · Updated June 2026

How does Phoenix compare to Astro 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

Astro scores 84/100 overall versus Phoenix's 51/100. Astro has 3 total CVEs compared to Phoenix's 0, though its larger ecosystem contributes to a higher CVE count. (Source: WebPulse framework scoring, NVD/NIST, July 2026)

51
Phoenix
Emerging · ELIXIR
vs
84
Astro
Modern · JAVASCRIPT
Dimension-by-dimension breakdown
security Astro
50
95
Phoenix
Astro
performance Tie
65
65
Phoenix
Astro
ecosystem Astro
50
88
Phoenix
Astro
ai readiness Astro
40
92
Phoenix
Astro
developer experience Astro
50
78
Phoenix
Astro
market trajectory Astro
50
70
Phoenix
Astro
cost of ownership Astro
55
90
Phoenix
Astro
Security details
Metric Phoenix Astro
Total CVEs 0 3
Critical CVEs 0 0
Exploited (KEV) 0 0
CVEs last year 0 1
Avg CVSS 0 3.2
Security score 50/100 95/100
Caution
Phoenix

Phoenix scores 51/100. Evaluate modern alternatives for better security and AI-readiness.

Recommended
Astro

Astro scores 84/100. Verdict: Recommended.

Quick facts
Phoenix
Category: Fullstack
Language: ELIXIR
First release: 2014
Generation: Emerging
Trend: Stable
Astro
Category: Ssg
Language: JAVASCRIPT
First release: 2021
Generation: Modern
Trend: Rising
Market share: 0.4%
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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.