Both are open source security options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence.
MicroVM isolation behind the ordinary container API — drops into Kubernetes as a RuntimeClass.
The least disruptive option if you already run Kubernetes: VM-grade isolation without changing how workloads are packaged.
Firecracker sandboxes for running code the agent wrote, safely.
If the agent writes code that then runs, this layer is not optional.
| Kata Containers | E2B | |
|---|---|---|
| Licence | Open source | Open source |
| Pricing | open source | freemium |
| Self-hostable | Yes | Yes |
| Languages | Any language | Python, TypeScript |
| Install | — | npm install @e2b/code-interpreter |
| Keys required | None | E2B_API_KEY |
| Job within the layer | sandbox | sandbox |
Both are open source security options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence. Kata Containers: MicroVM isolation behind the ordinary container API — drops into Kubernetes as a RuntimeClass. E2B: Firecracker sandboxes for running code the agent wrote, safely.
Kata Containers can run on your own infrastructure. E2B can run on your own infrastructure.
Kata Containers is open source (open source). E2B is open source (freemium).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/kata-vs-e2b