Modal sandbox
Per second. Billed on max(requested, actual) CPU and memory. Min 0.125 cores / 128 MiB per container. 1 physical core = 2 vCPU.
Free tier
Starter: $0/mo with $30/mo included compute.modal.com (opens in new tab) · fetched 2026-10-17
Isolation
gVisor or microVMs (which one applies isn't documented)modal.com (opens in new tab) · fetched 2026-10-17
Status
Changed Verified 2026-10-17 · pricing page (opens in new tab) · terms (opens in new tab) · Report bad data
- 1 physical core; billed on requested resources.
Compared with other sandboxes
cost per task at code-agent task conditions
Modal in blue. Full ranking with sources on the compare page.
SDKs
Python; JS/TS and Go (beta) · modal.com (opens in new tab) · fetched 2026-10-17
Rates
list prices, default region
| Item | Rate | Fetched | Source |
|---|---|---|---|
| Sandbox CPU (physical core = 2 vCPU) | $0.0000394 /core-second | 2026-10-17 | modal.com (opens in new tab) |
| Sandbox memory | $0.00000667 /GiB-second | 2026-10-17 | modal.com (opens in new tab) |
| Region selection | 1.15–1.75× multiplier on base price | 2026-10-17 | modal.com (opens in new tab) |
| Non-preemptible | 3× multiplier on base price | 2026-10-17 | modal.com (opens in new tab) |
Plans
| Plan | Monthly fee | Included | Concurrency | Max session | Source |
|---|---|---|---|---|---|
| Starter | $0 | $30/mo compute | 100 containers | not listed | modal.com (opens in new tab) |
| Team | $250 | $100/mo compute | 5,000 containers | not listed | modal.com (opens in new tab) |
Limits
| Limit | Value | Source |
|---|---|---|
| Seats on Starter | Up to 3 | modal.com (opens in new tab) |
median 509 ms · p95 1,513 ms · 10/10 runs ok · n=10 · create + first command · Startup board
Changes
- Changed
What changed in agent infra, weekly
Every pricing, plan, limit and terms change we detect for sandboxes and cloud browsers, with sources. One email a week. No vendor-paid content.