Auth0 vs Fastly: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Auth0 positions itself as "enterprise authentication and identity platform" while Fastly goes after "real-time cdn and edge computing for high-performance apps" — so the right pick depends on which problem you're actually solving. They take different commercial approaches — Auth0 uses a freemium approach and Fastly a usage-based-based model, which affects how costs scale as your team grows. Auth0 lets you start for free, which means you can validate the fit before committing budget. Fastly requires a paid commitment upfront, so make sure it matches your workflow before signing.
At a glance
| Auth0 | Fastly | |
|---|---|---|
| Our score | 79/100 | 76/100 |
| Starting price | Free | $50/mo |
| Free tier | Yes | No |
| Best for | Enterprise authentication and identity platform | Real-time CDN and edge computing for high-performance apps |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Auth0 | Fastly |
|---|---|---|
| OAuth 2.0 / OIDC | Yes | No |
| Social login | Yes | No |
| MFA | Yes | No |
| Custom domains | Essentials+ | No |
| Passwordless | Yes | No |
| CDN | No | Yes |
| DDoS protection | No | Yes |
| Instant cache purge | No | Yes |
| WAF | No | Yes |
| Real-time analytics | No | Yes |
Ratings breakdown
What the data tells us
Key capabilities you'd miss
Choosing Auth0 means going without CDN, DDoS protection, Instant cache purge (which Fastly offers). Choosing Fastly means losing OAuth 2.0 / OIDC, Social login, MFA. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
What company size tells you
Fastly (501-1,000 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Auth0 (1,000+ employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.
Choose Auth0 if...
- You want a free tier to get started
- You value powerful features over simplicity
- You need enterprise-grade capabilities
Choose Fastly if...
- You're ready to invest from $50/mo
- You value powerful features over simplicity
- You need enterprise-grade capabilities
Frequently asked questions
Is Auth0 or Fastly better?
Auth0 scores 79/100 compared to Fastly's 76/100 on VendorVS. However, the best choice depends on your needs — Auth0 excels at ease of use (7/10) while Fastly scores 6/10.
How much does Auth0 cost compared to Fastly?
Auth0 starts at free (free tier available). Fastly starts at $50/mo. Auth0 is the more affordable option.
Does Auth0 or Fastly have a free plan?
Auth0 offers a free tier. Fastly does not — its cheapest plan starts at $50/mo.
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