AI Blind Test

Cloudflare vs Fastly

Which brand does AI prefer? We tested both across 3 leading AI models.

AI GEO Score

Based on 3 AI models and 5 evaluation angles

Cloudflare

100%

VS

Fastly

0%

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Why AI Prefers Cloudflare

Gemini 2.5 Flash

Cloudflare presents a more comprehensive and clear value proposition, emphasizing security, performance, and AI integration across various aspects of…

Gemini 2.5 Flash

Cloudflare presents a broader, more integrated suite of services under a clear 'Connect, Protect, Build' framework, addressing a wider range of modern…

Gemini 2.5 Flash

Cloudflare presents a more comprehensive and forward-looking vision, with a strong emphasis on AI and integrated solutions. Its messaging is highly co…

The AI Verdict

Cloudflare takes the lead with 100% AI preference. The biggest gap is in trust — Cloudflare scores 9 vs Fastly's 7.7.

Sentiment Breakdown

How each website scores across key dimensions (1-10)

CloudflareFastly
Trust & Authority9.0 vs 7.7
Innovation8.9 vs 7.7
Price Competitiveness7.4 vs 6.3
Ease of Use7.9 vs 7.0

Per-Model Verdicts

How each AI model independently evaluated the two websites

GPT
GPT-5 Mini
Prefers Cloudflare100 vs 0
Based on the site content, Cloudflare presents a broader, clearly communicated platform (connectivity cloud, SASE, AI security, developer tools) with strong credibility signals (large customer logos, concrete metrics, analyst recognitions) and easy entry points. Fastly is clearly strong technically and developer-focused on edge/CDN performance, but Cloudflare’s wider value proposition and clearer enterprise positioning make it the safer, more versatile choice for most evaluators.
GEM
Gemini 2.5 Flash
Prefers Cloudflare100 vs 0
Cloudflare presents a more comprehensive and clear value proposition, emphasizing security, performance, and AI integration across various aspects of web and application infrastructure. Their site is better organized and provides a stronger sense of credibility through extensive customer logos and detailed explanations of their services.
CLD
Claude 3.5 Haiku
Tie50 vs 50
No successful evaluations from this model.

Go deeper on Cloudflare

This free test used 3 models. The full GEO Audit analyzes Cloudflare across 11 AI models and 4 dimensions:

AI Visibility — does AI mention your brand unprompted?
Content Quality — is your content AI-readable?
Technical Readiness — robots.txt, sitemap, MCP
Action Plan — prioritized fixes + PDF report
$99$49Launch Price

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