# Platform bench benchmark · Agent platform — Hanzo AI

> What an agent costs at rest, what a sandbox that runs a shell costs to start cold, and what one call costs at the margin, each beside the figure its alternative publishes. Every script re-runs to produce its row.

[Benchmarks](https://hanzo.ai/benchmarks) / [Agent platform](https://hanzo.ai/benchmarks?product=Agent%20platform#all) / Platform bench

Agent platform · Cost and start-up

# Platform bench

What an agent costs at rest, what a sandbox that runs a shell costs to start cold, and what one call costs at the margin, each beside the figure its alternative publishes. Every script re-runs to produce its row.

## Latest

[477 bytesA dormant agent · Hanzoas its alternative publishes ~1 MB · 2,198× · Unscored · September 2026 · Hanzo-measured](#history)

[149.6 msA sandbox that runs a shell, cold · Hanzoas its alternative publishes [$0.00000063One call, marginal cost · Hanzoas its alternative publishes $0.05 credit · 79,614× · Unscored · September 2026 · Hanzo-measured](#history)

## History

3 results across 3 metrics, newest first. Superseded runs stay, so a revision's progress can be read.

Measured

Subject

Metric

Value

Baseline

Result

Status

September 2026

Hanzo

A dormant agent

477 bytes

as its alternative publishes ~1 MB · 2,198×

Unscored

Frozen · Hanzo-measured

September 2026

Hanzo

A sandbox that runs a shell, cold

149.6 ms

as its alternative publishes <200 ms · ~1 s · 1–3 s · pooled 35.8 ms

Unscored

Frozen · Hanzo-measured

September 2026

Hanzo

One call, marginal cost

$0.00000063

as its alternative publishes $0.05 credit · 79,614×

Unscored

Frozen · Hanzo-measured

## Conditions

A dormant agent: 1M agents: 455 MB on disk vs ~977 GB · $0.01/mo vs $22/mo at list · 310,270 agents/s written · 0.031 ms resumeA sandbox that runs a shell, cold: A JavaScript context alone is 0.16 ms against a published 2.79 ms (17×) — a different primitive, quoted beside, not insteadOne call, marginal cost: ≈51 ms of compute per call · at a tenth of their price, 1B calls a month returns $3.7M after 25% to open source, three zones, a year of history and twice the infrastructure bill in peoplethe alternative figures are as their publishers state them, not re-run here

## Hardware

M-series laptop, September 2026

## Source

[hanzoai/benchmarks · fleet, sandbox, pricing](https://github.com/hanzoai/benchmarks)

## Reproduce

`node fleet/fleet.mjs /tmp/fleet && node sandbox/sandbox.mjs && node pricing/pricing.mjs`

## More Agent platform benchmarks

[Fleet residency](https://hanzo.ai/benchmarks/fleet) · [Live agent footprint](https://hanzo.ai/benchmarks/goroutine) · [Sandbox cold start](https://hanzo.ai/benchmarks/sandbox)

[Every result for Platform bench on the shelf](https://hanzo.ai/benchmarks?q=Platform%20bench#all) · [How these are measured](https://hanzo.ai/benchmarks#methods)