# E2B

Firecracker microVM sandboxes for AI agents, billed per second for the CPU and memory you provision.

- Operated by: E2B
- Status: Active [1]
- Website: https://e2b.dev
- Categories: Agent sandboxes
- Checked: 31 Oct 2026

## E2B sandboxes (Hobby plan) (Agent sandboxes)

- Price: $0.0504 /vCPU-h (+ $0.0162 per GB-hour)
- 1-hour session: ≥ $0.166 (2 vCPU / 4 GB · rank 3 of 3)
- Billed on: Running time (per second)
- Isolation: Firecracker microVM (sessions up to 1 h)

What to know:

- Max session 1 h: A sandbox is stopped after 1 h.

### Billing

- Payment: Metered: usage billed afterwards [2]
- Plan minimum: None [2]
- Billing increment: Per second [2]
- Minimum charge: unknown (Not published) [2]
- Per-job fee: None [2]

### Runtime

- Billed on: Running time [2]
- Isolation: Firecracker microVM [2]
- Max session: 1 h [2]
- Concurrent sandboxes: 20 [2]

### Prices

| Resource | Price | Per hour |
|---|---|---|
| per vCPU | $0.000014 /s [1] | $0.0504 |
| per GB of memory | $0.0000045 /s [1] | $0.0162 |

- Hobby includes a one-time $100 credit. Pro is $150 a month plus usage, with 24-hour sessions and 100 concurrent sandboxes.
- Memory is priced per GiB; the default size is 2 vCPU with 4 GiB on the pricing page but 512 MiB in the billing docs.
- Paused sandboxes are not billed.

## Sources

[1] https://e2b.dev/pricing (checked 31 Oct 2026)
[2] https://docs.e2b.dev/billing (checked 31 Oct 2026)