# Agent sandbox prices: 2 vCPU / 4 GB, 1 hour

Across 3 providers, one busy 1-hour session at 2 vCPU / 4 GB costs between ≥ $0.018 (boat) and ≥ $0.166 (E2B), with prices checked 31 Oct 2026.

One busy session at 2 vCPU / 4 GB. Fixed sizes use the smallest size that fits; plan fees are caveats, not spread over the session. Method: https://roost.guide/methodology/

| # | Provider | 1-hour session | Size priced | Billed on | Caveats |
|---|---|---|---|---|---|
| 1 | boat | ≥ $0.018 [1] | small (2 vCPU / 4 GB) | Running time | $20/mo plan |
| 2 | Celesto | ≥ $0.03 [2] | standard (2 vCPU / 4 GB) | Flat price per size | Prepaid, Max 10 running |
| 3 | E2B | ≥ $0.166 [3] | 2 vCPU / 4 GB | Running time | Max session 1 h |

## Sources

[1] https://docs.boat.dev/pricing.md (checked 31 Oct 2026)
[2] https://celesto.ai/pricing (checked 31 Oct 2026)
[3] https://e2b.dev/pricing (checked 31 Oct 2026)