CreateOS Sandbox vs Runta
Pick Runta if token spend and credential exposure matter as much as isolation, since it compresses tool output and injects secrets outside the agent's prompt. Pick CreateOS Sandbox if you need the isolation technology named, finished compliance certifications, named regions and lower published compute rates.
Pricing at a Glance
CreateOS rates verified 17 October 2026. Runta pricing as published on 17 October 2026. Rates billed per GB rather than per GiB, or as bundled sizes, are quoted as published rather than converted.
CreateOS Sandbox
Lower compute rate- Compute
- $0.0362 /vCPU-hr
- Memory
- $0.0116 /GiB-hr
Runta
- Compute
- $0.0504 /vCPU-hr
- Memory
- $0.0162 /GiB-hr
Runta bills per resource-hour from prepaid credit at $0.0504 per vCPU-hour, $0.0162 per GiB-hour of memory and $0.000108 per GiB-hour of disk, with no subscription and a $5 minimum top-up, as of 17 October 2026.
Where CreateOS Sandbox Fits Better
What CreateOS Sandbox brings to this matchup, with a plain note on where Runta has the edge.
Published isolation: a Firecracker micro-VM with its own guest kernel. Runta does not publish its isolation technology.
Runta lists SOC 2 Type II and ISO 27001 as in progress. CreateOS is SOC 2 Type II and ISO 27001 certified, with reports available under NDA.
Lower published rates: $0.03616363 per vCPU-hour and $0.01159025 per GiB-hour, against Runta's $0.0504 and $0.0162.
Two named regions, eu and us; Runta does not publish regions.
Where Runta is strong
Runta adds cost and control features above the sandbox: tool-output compression (vendor-stated example: 6,200 to 3,800 tokens), secrets injected so they never enter the agent's prompt, and per-runtime egress allow and deny lists.
Which to Pick
Pick CreateOS Sandbox if
- Your security review needs the isolation technology named.
- You need SOC 2 Type II and ISO 27001 reports today.
- You want to choose eu or us at create time.
Pick Runta if
- Your coding agents burn a lot of tokens on tool output.
- You want secrets kept out of the agent's prompt without building that layer.
- You use the OpenAI Agents SDK or Harbor integrations.
Head-to-Head Comparison
Every dimension side by side, checked on 17 October 2026 against each vendor's own docs and pricing pages. "Not published" means we could not find it on the vendor's pages, not that the feature is missing.
| Dimension | CreateOS Sandbox | Runta |
|---|---|---|
| Isolation | Firecracker micro-VM with its own guest kernel | Not published (an isolated computer per runtime) |
| Pause and resume | Saves disk, memory and CPU state; vCPU billing stops, memory and storage still bill | Auto suspend after idle, wake on request; checkpoints capture filesystem and processes; paused bills disk only |
| Fork | Forks a paused sandbox into many independent copies | Checkpoint restore creates a new runtime |
| Outbound network default | Open with no rules; deny-by-default once any host, IP, CIDR or wildcard rule exists, enforced on the host outside the VM | Open by default; hostname or wildcard allowlist or denylist |
| Inbound access | Closed by default; opt-in HTTPS URL | HTTPS URL per published port; inbound request wakes the runtime; SSH and VNC |
| Largest size | 8 vCPU / 16 GB on Enterprise; 8 vCPU / 8 GB on Pro | Not published per runtime; trial aggregate 32 vCPU / 64 GiB |
| Concurrency | 1 / 5 / 20 / 30 by plan (Free to Enterprise); paused sandboxes count | Not published |
| Session length | No cap; optional idle auto-pause from 60 s to 24 h, off by default | Not published |
| Billing | Per second: $0.03616363/vCPU-hr, $0.01159025/GiB-hr, $0.0001584/GB-hr storage; no egress fees, 50 GiB bandwidth budget per sandbox | $0.0504 per vCPU-hour, $0.0162 per GiB-hour, $0.000108 per GiB-hour disk; no subscription |
| SDKs and interfaces | TypeScript, Go, Python, Rust, C#, Java (all but TypeScript pre-1.0), CLI, MCP, REST | Python SDK 0.1.4, TypeScript SDK 0.0.4, CLI, REST API |
Common Questions
What does Runta add on top of a sandbox?
Runta compresses tool output to cut token spend, with a vendor-stated example of 6,200 tokens reduced to 3,800, injects credentials so they never enter the agent's prompt, and applies per-runtime egress allow and deny lists. CreateOS Sandbox provides the micro-VM, egress rules, pause and fork, without prompt compression.
Is Runta SOC 2 certified?
Not yet. Runta states that SOC 2 Type II and ISO 27001 are in progress. CreateOS is SOC 2 Type II and ISO 27001 certified, with reports available under NDA, which matters if a customer's security review asks for a finished report.
How do Runta and CreateOS Sandbox prices compare?
Runta charges $0.0504 per vCPU-hour, $0.0162 per GiB-hour and $0.000108 per GiB-hour of disk, with paused runtimes billing disk only and $50 of free credit. CreateOS charges $0.03616363 per vCPU-hour and $0.01159025 per GiB-hour; while paused, memory and storage still bill.
Sources
Checked 17 October 2026.
See CreateOS Sandbox for yourself
Book a demo, or explore the Sandbox and its pricing.