HEAD-TO-HEAD · PRICES VERIFIED 2026-08-27
Modal (Sandboxes) vs Runloop
Across 3 benchmark profiles, Modal (Sandboxes) prices lower in 3 of 3 — by up to ~25% where the gap is widest. Both rows use identical workload inputs and USD list rates from the capture-dated catalog; verify current rates via each vendor's source link.
Monthly Cost Across Realistic Benchmarks
Rate Card Snapshot
| Vendor | $/vCPU-hr | $/GiB-hr | Billing granularity | Concurrency note |
|---|---|---|---|---|
| Modal (Sandboxes) | $0.0710 | $0.0240 | per-second | Concurrency scales with plan; Starter $30/mo credits, Team $250/mo incl. $100/mo credits, Enterprise custom. |
| Runloop | $0.1080 | $0.0252 | per-second | Plan-based: Basic free + usage; Pro $250/mo + usage; Enterprise custom. |
Fit Notes
- Modal (Sandboxes) — Skip if pure sandbox price is the decision — you pay ~40% over E2B/Daytona for the same vCPU-hour; Modal earns it back only when the rest of your stack already lives on Modal functions.
- Runloop — Skip unless you specifically want its Devbox/Blueprint workflow — the highest per-hour rates captured here, with add-on fees on top.
Modal (Sandboxes)
StrengthsRunloop
StrengthsRun your own workload through the full interactive calculator, or browse all pairs on the comparisons hub.
Frequently Asked Questions
Which is cheaper, Modal (Sandboxes) or Runloop?
Across 3 benchmark profiles, Modal (Sandboxes) prices lower in 3 of 3 — by up to ~25% where the gap is widest. Both rows use identical workload inputs and USD list rates from the capture-dated catalog; verify current rates via each vendor's source link.
How were these Modal (Sandboxes) vs Runloop costs computed?
Both vendors run identical workload profiles (sandbox-hours × vCPU/RAM) through the same engine using each vendor's captured USD list rates; the full methodology is on the agent-sandbox-pricing tool page.