Cloudflare Sandbox sandbox
Billed per 10 ms of active running. Memory and disk on the provisioned instance type; CPU on active usage only. Requires Workers Paid ($5/mo). Worker, Durable Object and log charges are extra.
Cost / code-agent task
$0.00754
2 vCPU / 4 GiB sandbox for 5 minutes at 10% CPU utilization (most time spent waiting on the LLM). Mirrors Vercel's own "AI code validation" example.
instance standard-3 (2 vCPU / 8 GiB); excludes Workers / Durable Objects charges and monthly included usage
Free tier
No free tier for Containers. Workers Paid ($5/mo) includes 375 vCPU-min, 25 GiB-h memory, 200 GB-h disk.
source ↗ · 2026-10-17
Sandbox pricing docs describe SDK 0.x (based on Containers). No separate pricing page for @cloudflare/sandbox 1.0 was found, so treat these as Containers rates.
Rates
| Item | Rate | Source | Fetched |
|---|---|---|---|
| CPU (beyond 375 vCPU-min/mo included) | $0.00002 /vCPU-second | developers.cloudflare.com ↗ | 2026-10-17 |
| Memory (beyond 25 GiB-h/mo included) | $0.0000025 /GiB-second | developers.cloudflare.com ↗ | 2026-10-17 |
| Disk (beyond 200 GB-h/mo included) | $7.00e-8 /GB-second | developers.cloudflare.com ↗ | 2026-10-17 |
| Egress NA/EU (beyond 1 TB) | $0.025 /GB | developers.cloudflare.com ↗ | 2026-10-17 |
Plans
| Plan | Monthly fee | Included | Concurrency | Max session | Source |
|---|---|---|---|---|---|
| Workers Paid | $5 | 375 vCPU-min, 25 GiB-h, 200 GB-h disk / mo | not listed | not listed | source ↗ |
Limits & details
- Largest instance type
- standard-4: 4 vCPU, 12 GiB, 20 GB disk ↗
- SDKs
- TypeScript (runs in a Worker) ↗
- Pricing page
- https://developers.cloudflare.com/containers/pricing/
- Terms
- https://www.cloudflare.com/terms/
- Last verified
- 2026-10-17
Not yet verified
- Separate pricing for Sandboxes 1.0 (if any)
- Workers / Durable Objects charges per sandbox
Cold start
No Coldtally benchmark runs published yet. For broad speed coverage see ComputeSDK's open benchmarks (MIT-licensed data). Our methodology explains how we use them.
Changes
No changes recorded since the baseline (2026-10-17).
What changed in agent infra, weekly
Every pricing, plan and limit change we detect for sandboxes and cloud browsers, with sources. One email a week. No vendor-paid content.