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I'm not saying sandboxes are not needed, I'm saying VMs/containers already provide the core tech and it's easy to DIY a sandbox. Would love to understand what value E2B offers over VMs?

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making a local sandbox using docker is easy, but making them work at high volume and low latency is hard

That's right. But they (E2B) rely on the underneath Cloud infra to achieve high scalability. Personally, I'm still not sure about the value they add on top of Cloud hosted VMs. GCP/AWS already offer huge discounts to startups, which should be enough for VM-based sandboxing of agents in the MVP phase.

we offer secure cloud VMs that scale up to 100k concurrent instances or more.

the value we sell with our cloud is scale, while our Sandboxes are a commodity that we have proudly open-sourced

> we offer secure cloud VMs that scale up to 100k concurrent instances or more.

High scalability and VM isolation is what the Cloud (GCP/AWS, that E2B runs on) offers.

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