Beam vs E2BSandbox Benchmark Comparison

Beam
Faster in 1 of 2
vs
E2B
Faster in 1 of 2

Beam and E2B were each faster in 1 of 2 shared sandbox benchmarks.

Shared benchmarks
2
Last run
October 30, 2026
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Scorecard

Median of each benchmark's primary metric; lower is better. Medians within 5% count as roughly even, and a benchmark gets no speed verdict when either provider completed fewer than 50% of runs.

BenchmarkBeamE2BResultRatio
Burst TTI
Time to interactive · Run October 30, 2026
548ms
100% success
1.27s
100% success
Beam faster
2.31x
DAX
Total workload time · Run October 30, 2026
96.13s
100% success
75.86s
100% success
E2B faster
1.27x

Burst TTI

Run October 30, 2026

Time from sandbox creation to the first successful command, with 100 sandboxes launched at the same time.

Time to interactive

Beam

100% success
Median
548ms
P95
732ms
P99
739ms
Beam Burst TTI results →

E2B

100% success
Median
1.27s
P95
1.47s
P99
1.70s
E2B Burst TTI results →

Beam had a 2.31x lower median time to interactive (548ms vs 1.27s for E2B).

Median time to interactive over time

30 runs from July 3, 2026 to October 30, 2026.

BeamE2B
View the full Burst TTI leaderboard →

DAX

Run October 30, 2026

A real developer workload: install system packages, download Bun, clone the opencode repo, then run bun install and bun typecheck.

Total workload time

Beam

100% success
Median
96.13s
P95
96.13s
P99
96.13s
Beam DAX results →

E2B

100% success
Median
75.86s
P95
75.86s
P99
75.86s
E2B DAX results →

E2B had a 1.27x lower median total workload time (75.86s vs 96.13s for Beam).

Median total workload time over time

5 runs from September 16, 2026 to October 30, 2026.

BeamE2B
View the full DAX leaderboard →

Cost per DAX run

Each provider's DAX median total workload time (run October 30, 2026) multiplied by its published rate at the 8 vCPU / 16 GiB benchmark spec. Workload time excludes sandbox create and destroy, and subscription floors and included credits are not modeled.

Beam

Per-second wall clock
$0.024per run
96.13s median at $0.9086/hr

$0.0000375/core-s (1 core = 2 vCPU, so 4 cores) + $0.0000064/GiB-s.

Source pricing page

E2B

Per-second wall clock
$0.014per run
75.86s median at $0.6624/hr

$0.000014/vCPU-s + $0.0000045/GiB-s. Disk (20 GiB Pro) included.

Source pricing page
Compare sandbox costs across all providers →

Methodology

  • One workload, every provider. The same script, payload, and model hit every provider, addressed the way its own API expects. Nobody gets a tuned or special path.
  • Repeated on a schedule. Every suite runs many iterations per provider, automated on a recurring schedule, so results reflect steady state rather than one lucky request.
  • Raw results published. Every run is committed as JSON to the public benchmarks repo, next to the code that produced it. Nothing is cherry-picked or held back.
  • How this comparison is built. Each benchmark compares the two providers' medians; results within 5% count as roughly even. A comparison is published only when both providers completed at least 50% of runs in 2 or more shared benchmarks run in the last 30 days.

Frequently asked questions

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Beam and E2B were each faster in 1 of 2 shared sandbox benchmarks. In Burst TTI (October 30, 2026), Beam had a median time to interactive of 548ms versus 1.27s for E2B, 2.31x faster. In DAX (October 30, 2026), E2B had a median total workload time of 75.86s versus 96.13s for Beam, 1.27x faster.

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