{
  "slug": "cost-per-space-hour-aws",
  "question": "What does one Space-hour cost on AWS when packed?",
  "answer": "On one AWS c7g.2xlarge ($0.2900/machine-hour on demand) holding at least 25 idle Spaces of 1 vCPU and 512 MiB, a Space-hour cost at most $0.0116/Space-hour at list price (3 runs, 2026-10-25). The account plan's 25-session limit stopped the runs, not the machine.",
  "status": "measured",
  "url": "https://cua.ai/benchmarks/cost-per-space-hour-aws",
  "csv": "https://cua.ai/benchmarks/cost-per-space-hour-aws.csv",
  "markdown": "https://cua.ai/benchmarks/cost-per-space-hour-aws.md",
  "group": "Cost",
  "current": {
    "run": "2026-10-25",
    "schema": "cua.bench-result/v1",
    "bench": "elastic-pack.aws",
    "slug": "cost-per-space-hour-aws",
    "metric": "usd_per_space_hour",
    "value": 0.0116,
    "unit": "USD/Space-hour",
    "stat": "max",
    "n": 3,
    "percentiles": {
      "min": 0.0116,
      "max": 0.0116
    },
    "extra": {
      "usd_per_hour_instance_list": 0.29,
      "spaces_per_host_min": 25,
      "spaces_per_host_max": 25,
      "usd_per_space_hour_incl_public_ipv4": 0.0118,
      "public_ipv4_usd_per_hour": 0.005,
      "run_aws1g1_1GiB_spaces": 16,
      "run_aws1g2_1GiB_spaces": 15,
      "run_aws1g3_1GiB_spaces": 16,
      "run_aws1g4_1GiB_spaces": 24
    },
    "samples_csv": "samples.csv",
    "measured_at": "2026-10-25T01:16:57Z",
    "build": {
      "cua": "0.9.0",
      "app": "0.15.0",
      "source": "cua CLI bundled in Cua Spaces 0.15.0 DMG (GitHub release cua-spaces-v0.15.0, published 2026-10-24T19:42Z), `cua --version` = cua 0.9.0",
      "published": true
    },
    "host": {
      "name": "Mac Studio (the client)",
      "model": "Mac14,13",
      "chip": "Apple M2 Max",
      "cpus": 12,
      "memory_gb": 96,
      "os": "macOS 26.6.2",
      "where": "client in California, home network"
    },
    "environment": {
      "kind": "container (gVisor) on one elastic pool host",
      "cloud": "aws",
      "machine_type": "c7g.2xlarge (8 vCPU Graviton3, 16 GiB)",
      "space_shape": "ghcr.io/trycua/linux:24.04-slim, 1 vCPU / 512 MiB booked each",
      "autoscale": "on, $0.40/h cap (blocks a 2nd host), host pinned via `cua cloud hosts add`"
    },
    "method": "Released cua 0.9.0 elastic pool. One pinned c7g.2xlarge (8 vCPU Graviton3, 16 GiB) host (`cua cloud hosts add`). Each run asks for 32 Spaces at once (16 concurrent `cua spaces create ghcr.io/trycua/linux:24.04-slim --on aws --instance-type c7g.2xlarge --cpus 1 --memory-mb 512`), runs `cua sb exec <ref> -- echo ok` in every created Space, counts the Spaces that answer on that one host, then deletes them all. n=3 runs. $/Space-hour = the instance's on-demand list price / Spaces held at once (AWS Price List API, c7g.2xlarge Linux on-demand us-west-2 $0.29/h, effective 2026-10-01).",
    "reproduce": "# Cua Spaces 0.15.0 from cua.ai/download (its cua CLI is cua 0.9.0)\ncurl -fLO https://cua.ai/benchmarks/cost-per-space-hour-aws/files/pack.py\ncua auth login && cua cloud connect aws --profile <aws-profile> --region us-west-2\ncua daemon start --foreground &\ncua cloud budget --autoscale on --max-per-hour 0.40 --monthly 20\ncua cloud hosts add --provider aws --type c7g.2xlarge --ttl-hours 2\nfor r in 1 2 3; do python3 pack.py aws c7g.2xlarge 32 16 run$r --cpus 1 --memory-mb 512; done\ncua cloud hosts rm <host> && cua cloud sweep --all --delete",
    "caveats": [
      "The ceiling of 25 Spaces per machine is the account plan's live-session limit, not the machine's: further creates were refused with 'Your plan allows 25 live sessions'. So the cost per Space-hour is an upper bound.",
      "Price is the instance's on-demand list price only; extra.usd_per_space_hour_incl_public_ipv4 adds its public IPv4. Disk and traffic are not included.",
      "Spaces were idle apart from the exec check: booked-shape density, not a CPU-bound load."
    ],
    "sources": [],
    "status": "measured"
  },
  "earlier": []
}