Infrastructure / Deployment

E2B Sandbox

Open-source secure cloud runtime that gives AI agents an ephemeral Linux microVM (Firecracker-based) controlled via a Python/TypeScript SDK. Picked over hyperscaler functions for sub-150ms cold starts, agent-native lifecycle (create/use/destroy), and the fact that the SDK + core are open and self-hostable via the e2b-dev/infra repo. ~12.3k stars on the SDK repo, used by major coding-agent products and growing fast in the agent-infra category.

E2B open source sandbox infra for running AI-generated code; CLI @e2b/cli@2.10.3 (Jun 3 2026) confirmed live on GitHub June 2026. Isolation via Firecracker microVMs. OSS core + managed cloud (e2b.dev).

Openness

4 high confidence

4.0

license: Apache-2.0(OSI)
source: public(SDKs+infra, Terraform self-host)
managed-tier: e2b.dev hosted sandbox cloud (proprietary)
core-gated: gated

Apache-2.0 OSS core (SDKs + self-hostable infra) with a proprietary managed cloud; classic open-core per recipe (E2B named as open-core example).

https://github.com/e2b-dev/E2B recorded 2026-06-04
Apache-2.0 license; open source sandbox infra + Terraform self-host; managed cloud at e2b.dev

Adoption

4 high confidence

4.0

PyPI: ~4.58M downloads last month for the e2b package (primary). Vendor reports 1B+ sandboxes started, 94% of Fortune 100 as customers; named users incl. Perplexity, Hugging Face, Manus, Groq. Solidly 1M-10M monthly install band.

https://pypistats.org/packages/e2b recorded 2026-06-04
~4,583,328 downloads last month
https://e2b.dev/ recorded 2026-06-04
1B+ sandboxes started; named production customers (Perplexity, Hugging Face, Manus, Groq)

Capability

4 high confidence

4.0

VM-grade isolation (Firecracker) is the strongest tier in the feature matrix; broad SDK/runtime support and proven scale. Below the frontier-definer Firecracker itself (which it builds on), so 4 not 5. Independent ComputeSDK TTI benchmarks corroborate the sub-second cold-start (~370ms median time-to-interactive, mid-pack of 19 sandbox providers).

https://e2b.dev/ recorded 2026-06-04
each sandbox powered by Firecracker microVM; 1B+ sandboxes started
https://www.computesdk.com/benchmarks/sandboxes/ recorded 2026-07-09
ComputeSDK TTI leaderboard (independent, 100 iters/day, 2026-07-09 run): median time-to-interactive ~370ms sequential / ~470ms burst @100 concurrent; 7th-fastest of 19 providers

Unchanged since 2026-07-30 (last edited, not re-checked)