Sandboxer vs Cerebrium
Cerebrium deploys your code as containerised serverless apps that scale with demand and are billed per second, with GPUs from T4 to B200. Sandboxer provides persistent interactive VMs, not request-driven functions, and has no GPUs, so it isn't the pick for GPU work. Pick Cerebrium for hosting AI endpoints; pick Sandboxer for agent sandboxes.
Checked against Cerebrium's public docs on October 24, 2026. Sources are linked in the table and listed below.
At a glance
= not documented publicly.
Price for one 4 vCPU, 8 GB machine
List prices from each provider's pricing page, before free credits, plans and storage. This compares price only.
Where Cerebrium is strong
- Per-second billing, from $0.000164 per second for a T4.
- Low cold starts and burst scaling for real-time AI workloads.
- Multi-region deployment of one app.
- Free Hobby tier and a Standard plan at $100 plus compute.
Where Sandboxer differs
- Cerebrium runs request-driven serverless apps; Sandboxer runs persistent interactive VMs.
- Cerebrium has GPUs; Sandboxer has none.
- Sandboxer gives root, systemd, Docker and SSH in an interactive VM; Cerebrium's docs describe deploying container images as request-serving apps.
- Cerebrium plans start at $100 a month for unlimited apps; Sandboxer plans start at $20.
Pick Cerebrium if
- You want to host an inference endpoint that scales to zero with GPUs.
- You want usage-based per-second pricing for inference compute.
- You need multi-region deployment of a model API.
Pick Sandboxer if
- You need a CPU sandbox with Docker, nested KVM and systemd that stops and resumes with running processes intact, and you do not need GPUs.
- You want coding agents (Claude Code, Codex and others) preinstalled and driven through a prompt API with streamed events.
- You want per-second billing with stopped sandboxes costing nothing and a flat $20 to $2000 monthly plan whose dollars return as machine time.
Sources
Products change. If something here is out of date, email hello@sandboxer.com and we'll fix it. Cerebrium is a trademark of its owner. Sandboxer is an independent product and is not affiliated with Cerebrium.
Other comparisons
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Firecracker microVMs billed on active CPU, inside the Vercel platform.
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