Cerebrium
vs
Fly.io
What's good about each
- Per-second billing, with no charge for idle GPUs
- Cold starts of 2-4 seconds via memory and GPU snapshots
- SOC 2 Type II, HIPAA, GDPR and ISO 27001 certified
- Ten GPU types, from T4 to B200
- Region pinning for data residency, on US and EU capacity
- Excellent tooling and developer experience
- Fast deployments, scale to zero, little config needed
- Per-second billing, with a 40% discount for reserved compute blocks
- Anycast networking and global load balancing included at no extra cost
Price comparison
Closest matching configuration on each side, monthly list price in USD.
| Service | Cerebrium | Fly.io | Difference |
|---|---|---|---|
| Small VM | $22.73 /mo 1 vCPU, 1 GB RAM (CPU only) | $5.70 /mo 1 vCPU, 1 GB RAM (shared-cpu-1x) | 75% cheaper on Fly.io |
| Medium VM | $113.94 /mo 4 vCPU, 8 GB RAM (CPU only) | $42.79 /mo 4 vCPU, 8 GB RAM (shared-cpu-4x) | 62% cheaper on Fly.io |
| Large VM | $227.89 /mo 8 vCPU, 16 GB RAM (CPU only) | $248.00 /mo 8 vCPU, 16 GB RAM (performance-8x) | 8% cheaper on Cerebrium |
| Block storage | $5.00 /mo 100 GB beyond free allowance · First 100 GB included | $15.00 /mo 100 GB | 67% cheaper on Cerebrium |
| Object storage | -- Not listed | $20.50 /mo 1 TB (Tigris) | |
| PostgreSQL | -- Not listed | $86.00 /mo 2 vCPU, 2 GB RAM, 50 GB storage (Starter) | |
| Redis | -- Not listed | $20.00 /mo 1 GB data (Upstash Fixed 1GB) | |
| Load balancer | -- Not listed | Included with apps | |
| Egress | -- Not listed | $20.00 /TB $0.02 / GB (North America and Europe) |
Heads up: Figures take each provider's closest plan to a common setup, and vary by region and usage. Hover a service for the reference configuration. Verify before provisioning. More on how we price.
GPUs
Cerebrium offers 9 GPU models. We track no GPU listings from Fly.io. Cheapest listed price per GPU per hour; GPUs both providers sell come first.
| GPU | Cerebrium | Fly.io | Difference |
|---|---|---|---|
|
|
$3.40 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$6.01 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$2.50 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$4.20 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$2.00 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$1.95 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$0.80 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$0.59 /GPU/hr On-demand | -- | Cerebrium only |
|
|
$1.10 /GPU/hr On-demand | -- | Cerebrium only |
Cerebrium bills on-demand. The line under each price names the billing type shown.
Services
Managed services each provider offers.
Compliance
Frameworks each provider states on its own site, each linked to its source.
| Framework | Cerebrium | Fly.io |
|---|---|---|
| SOC 2 | Type II | Type II |
| ISO 27001 | Yes | Data centers only |
| HIPAA | Yes | Yes |
| GDPR | Yes | Yes |
Heads up: Each entry links to the provider's own statement. An attestation can cover one tier, one region or the platform alone rather than every service. Verify the scope before you rely on it. A dash means we found nothing to link to, not that the provider lacks it.
Company details
| Fact | Cerebrium | Fly.io |
|---|---|---|
| Founded | 2021 | 2017 |
| Headquarters | USA | USA |
| Locations | 3 | 18 |
| Example customers | Tavus, Deepgram, Resemble AI | Cars.com, Fanatics, Tailscale, Supabase |
| Website | www.cerebrium.ai | fly.io |
Alternatives to consider
Compare Cerebrium and Fly.io against other cloud providers.
Our data for Cerebrium was last updated on Oct. 1, 2026, and for Fly.io on Sept. 18, 2026.