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Pick up to three. Scores are curated estimates on a 0–10 scale. Lock-in: higher = worse.
| Dimension | E2B | Cua |
|---|---|---|
| Overall | 8.6 | 8.0 |
| Capability fit | 9.4 | 8.8 |
| Price / performance | 8.0 | 8.0 |
| Latency / reliability | 8.6 | 7.6 |
| Developer & agent DX | 9.4 | 8.6 |
| Privacy / data retention | 8.5 | 8.2 |
| Lock-in risk (higher = worse) | 4.0 | 3.8 |
| Maturity / track record | 8.0 | 7.0 |
| Pricing | Firecracker microVM sandboxes billed per second; templates; code interpreter for agents. | As of 2026-09-14 (cua.ai): OSS MIT sandbox/driver (Docker/QEMU/Apple VZ local). Cua Fleet usage-based: CPU $0.044625/vCPU/hr, memory $0.0223125/GB/hr. Cloud Windows sandboxes GA (c… |