Fly.io vs Vercel Comparison
Detailed comparison of features, pricing, and capabilities
Last updated April 4, 2026
Overview
Compare key metrics and features at a glance
Fly.io
https://fly.io
Fly.io is a platform that allows developers to deploy applications closer to their users by running them in micro-VMs on a global network of servers. It transforms Docker containers into micro-VMs that can run anywhere in the world, providing better performance through edge computing and simplified deployment processes. The platform specializes in running full-stack applications globally with minimal latency.
Vercel
https://vercel.com
Vercel is a cloud platform for static sites and frontend frameworks that enables developers to host websites and web applications with zero configuration. It provides automatic deployments, serverless functions, and a global edge network optimized for frontend projects. The platform is especially known for its seamless integration with Next.js and other modern web frameworks.
Quick Comparison
| Detail | Fly.io | Vercel |
|---|---|---|
| Category | Platform as a Service (PaaS) | Platform as a Service (PaaS) |
| Starting Price | Free | Contact Sales |
| Plans Available | 5 | 0 |
| Features Tracked | 16 | 17 |
| Founded | 2017 | 2015 |
| Headquarters | San Francisco, USA | San Francisco, USA |
Features
Detailed feature-by-feature comparison
Feature Comparison
| Feature | | |
|---|---|---|
| api | ||
| Fly Machines API | ||
| Vercel Functions API | ||
| compliance | ||
| Audit Logs | Add-on | |
| core | ||
| Auto-Scaling | ||
| Automatic Deployments | ||
| Custom Domains | ||
| Docker Container Deployment | ||
| Edge Functions | ||
| Firecracker MicroVMs | ||
| Fluid Compute | Add-on | |
| Fly Launch | ||
| Global Anycast Networking | ||
| Global Edge Network | ||
| Incremental Static Regeneration (ISR) | ||
| Managed Postgres | ||
| Managed Redis | ||
| Multi-Region Deployment | ||
| Multiple Language Support | ||
| Observability Dashboard | ||
| Persistent Volumes | ||
| Private Network | ||
| Serverless Functions | ||
| Speed Insights | ||
| custom | ||
| Vercel for Platforms | ||
| integration | ||
| CI/CD Integration | ||
| Edge KV & Postgres | ||
| Next.js Integration | ||
| Vercel AI SDK | ||
| security | ||
| Role-Based Access Control | Add-on | |
| Secrets Management | ||
| Single Sign-On (SSO) | Add-on | |
| support | ||
| Prometheus Metrics | ||
| flyctl CLI | ||
Pricing
Compare pricing plans and value for money
Fly.io
From $0/mo
Price Components
- Compute (shared-cpu-1x 256MB): $0.0028/hour
- Persistent Volumes: $0.15/GB
- Volume Snapshots: $0.08/GB (10 included)
- Data Egress (NA/Europe): $0.02/GB
- Dedicated IPv4: $2/address
Best For
Developers and startups building latency-sensitive, full-stack or stateful apps like global APIs and databases that need edge deployment without vendor lock-in.
Vercel
Contact Sales
No pricing data available yet
Best For
Frontend developers and teams building and deploying Next.js or static web apps needing zero-config hosting, edge performance, and Git-integrated previews.
Integrations
See which third-party services are supported
Supported Integrations
Coming Soon
Integration comparison data for Fly.io, Vercel is being collected and will be available soon.
Strengths & Limitations
Key strengths and limitations of each service
Fly.io
Developers and startups building latency-sensitive, full-stack or stateful apps like global APIs and databases that need edge deployment without vendor lock-in.
- Deploys Docker containers as micro-VMs across global edge locations with Anycast networking for sub-100ms latency, outperforming centralized PaaS like Heroku.
- Supports stateful apps via Fly Volumes for persistent NVMe storage and managed Postgres with automated scaling, unlike ephemeral serverless competitors.
- Generous free Hobby tier covers compute, storage, and Anycast IPs with pure pay-as-you-go pricing, avoiding minimum fees of Render or DigitalOcean.
- 7th most popular deployment platform with 2.5% market share and 3M+ apps launched, backed by Series C funding and $11.2M 2024 revenue.
- Managed Postgres requires more hands-on management than fully managed DBaaS from AWS or DigitalOcean, lacking complete 'hands-off' automation.
- Enterprise support starts at $2500/month, pricier than Render's $29/user organization plans for similar scale.
- Smaller team of 51-200 employees may limit rapid feature development versus hyperscalers like AWS.
Vercel
Frontend developers and teams building and deploying Next.js or static web apps needing zero-config hosting, edge performance, and Git-integrated previews.
- Automatic preview deployments generate unique live URLs for every git branch and pull request, enabling seamless team collaboration and QA.
- Edge Network delivers content and serverless logic from nearest data centers, minimizing latency for global users.
- AI SDK unifies LLM integration for Next.js apps with 3M weekly downloads, plus v0 AI agent for instant code-to-deployment.
- Serverless Functions auto-scale backend logic from an 'api' directory with zero server management.
- Usage-based billing for bandwidth, GB-hours, and Edge Requests can lead to unpredictable costs as traffic scales beyond Pro quotas.
- Frontend-focused optimization suits Next.js best, less ideal for complex backend-heavy or non-JS applications.
Company Info
Company details and background
Fly.io
Vercel
Comparison FAQ
Common questions about comparing Fly.io and Vercel
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