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MIOSA vs CodeSandbox
CodeSandbox and MIOSA both run code in managed cloud environments. This page compares them on the independent ComputeSDK benchmark and on the capabilities MIOSA documents.
MIOSA 
CodeSandbox What CodeSandbox is
CodeSandbox provides instant cloud development environments and sandboxes, described in its public documentation at (codesandbox.io, as of October 2026).
Measured performance
The independent ComputeSDK benchmark runs the same workload against every provider. That is the only apples-to-apples number here.
| Metric | MIOSA | CodeSandbox | As of |
|---|---|---|---|
| Burst startup, median time-to-interactive | 117.93 ms (#1 of 30) | 8380.67 ms (#26) | 2026-10-09 |
| DAX full build, 2026-08-28 | 39.3 s (#1 of 19) | 81.2 s (#13) | 2026-08-28 |
| DAX full build, 2026-10-09 | no result | no result | 2026-10-09 |
Source: ComputeSDK, via our benchmark page. Burst startup is the time from a create request to the first successful command inside a fresh sandbox, under 100 concurrent creates. Where a run is not listed, the provider did not appear in that run.
Where MIOSA differs
These capabilities are documented for MIOSA on this site:
- Persistent computers with a full Linux desktop, not only headless sandboxes. See Computers.
- Deployments and App Engine, so a machine becomes a versioned URL or a containerized app. See Deployments.
- White-label platform, so your customers see your brand and domains. See White-label setup.
- One interface for everyone: MCP, a CLI, and six SDKs. See MCP, CLI, SDKs.
- Managed data with connection injection: Postgres, Redis, MySQL, Qdrant. See Data.
- Regions and OpenComputers for machines you own. See Regions and OpenComputers.
When to choose each
- Choose CodeSandbox if you want instant, interactive cloud development environments for people as well as agents..
- Choose MIOSA if you want a runtime built for agents and apps: sandboxes, computers, agent runs, deployments, and managed data, with the measured startup figures above..
Sources
- CodeSandbox public documentation: https://codesandbox.io (as of October 2026).
- ComputeSDK benchmark results, via our Benchmark page (2026-10-09).
- MIOSA capabilities, as documented on this site.