Best code-execution sandbox for running AI-generated code
If your agent writes and runs code, these are the runtimes that execute it safely and fast. Ranked by cold start, with isolation and price noted.
Verified 2026-07-26
- 1Details →
- 2Cloudflare Sandbox SDK AI code-execution sandboxDetails →
V8 isolate + container · 50ms start · $0.072/vCPU-hr
- 3Details →
- 4Details →
- 5Northflank AI code-execution sandboxDetails →
Kata / gVisor microVM (selectable) · 300ms start · $0.01667/vCPU-hr
- 6Details →
- 7Details →
- 8Details →
- 9Details →
- 10Details →
- 11Details →
- 12Details →
- 13Details →
- 14Together Code Interpreter AI code-execution sandboxDetails →
Managed isolated sandbox · n/ams start · usage-based
- 15Details →
- 16Details →
- 17Details →
How we ranked this
Ranked by published cold-start / start-up time. Isolation model (microVM vs container vs isolate) and headline vCPU-hour price are shown so you can trade speed against security and cost.
Rankings reflect published specs as of the verified date and are not paid placements. Corrections welcome at [email protected].