Per second. Quoted before the run. Capped.
The market's standard list rate, metered by the second. What is different is that you see the ceiling first: promigence run quote returns the most a run can cost, and a run that would go past your cap is refused rather than stopped halfway.
Usage rates
| Tier | Environment | Per hour | Per second | Typical workload |
|---|---|---|---|---|
| Small | 2 vCPU · 4 GiB | $0.17 | $0.000046 | A SWE-bench-class episode: clone, patch, run the failing test. Ten minutes costs about $0.03. |
| Medium | 4 vCPU · 16 GiB | $0.46 | $0.000128 | Monorepo typechecks and mid-size builds. |
| Large | 8 vCPU · 32 GiB | $0.92 | $0.000256 | Heavy builds and memory-hungry test suites. |
Verified snapshot build
$1 per build
A build that fails its own verify command is not charged.
Snapshot storage
Included
Included in every plan.
Paused time
Not billed
A paused environment accrues nothing, and nothing accrues before one is handed to you.
Egress
Included
Registries and git hosts are not metered separately. The trial caps data out at 20 GB a month.
Plans
Free
$0
pay as you go
- Includes
- $50 of free credit
- Then
- Per second at list, only what you use
Start free, then pay only for the seconds you run.
- $50 of free credit to start
- 20 sandboxes at once, sessions up to an hour
- Validity report on every run
- Quote and hard spend cap on every run
Pro
$50
per month
- Includes
- More usage than you pay for
- Then
- Per second past it
For teams running agents, evals and CI every day.
- Everything in Free, plus $50 of free credit
- More compute each month than the plan costs
- Up to 100 sandboxes at once
- Verified snapshot builds, failed builds free
- Harness adapters: Inspect, Harbor, SWE-bench
- Email support
Max
$500
per month
- Includes
- About 10× the usage of Pro
- Then
- Below list, by commitment
For large eval fleets, RL and continuous agentic CI.
- Everything in Pro, plus $50 of free credit
- About 10× the usage of Pro
- Up to 1,000 sandboxes at once
- Capacity held warm for your snapshots
- Shared Slack channel
Custom
Custom
volume pricing, set on one call
- Includes
- Set on the call
- Then
- Volume rates
For vendors and labs running millions of episodes.
- Everything in Max, plus $50 of free credit
- Committed capacity contracts and reserved capacity
- Running it in your own cloud account: talk to us
- Custom environment shapes
- Direct line to engineering
No sales cycle. One call with an engineer, a plan shaped on that call, and your first run the same hour.
Talk to us, live in an hourYou see the bill before you spend it
Most platforms tell you what a run cost after it finished. Promigence tells you the ceiling first, and refuses a run that would exceed your cap.
The same rate as the market, per second
$0.0504 per vCPU-hour and $0.0162 per GiB-hour, the market's standard list rate. A price nobody can compare against is worth very little, so we did not invent a new unit.
You see the ceiling before the run
promigence run quotereturns the exact maximum before a single environment starts.--caprefuses a run that would exceed it rather than stopping halfway and charging for the half.A faster run is a cheaper run
The meter runs from the moment an environment is handed to you until it ends. Starting warm instead of cold cuts 60 to 100 seconds off every episode, and that comes straight off the bill.
Our failures are on us
A build that fails its own verify command is not charged. Neither is an episode the environment broke, when our side can show the failure was ours. We can only refuse to bill for that category because we measure it.
$ promigence run quote --snapshot promigence/base --count 20 --timeout 15m
quote $0.83 — 20 x 900s x $0.000046/s (tier small: 2 vCPU, 4 GiB; $0.000014/vCPU-s + $0.0000045/GiB-s)
# ← the ceiling, not an estimate: every sandbox running for its whole 15 minutes
$ promigence run --snapshot promigence/base --count 20 --cap 1 -- python3 -c 'print(6*7)'
# → billed for the seconds actually used, never more than the cap
What a ten-minute episode costs elsewhere
Promigence is not the cheapest line item. Raw compute is cheaper. It just does not tell you whether the environment worked.
| Option | 10-min episode | What that buys |
|---|---|---|
| Self-hosted Docker, raw cloud compute | ~$0.014 | Before engineering time, image maintenance and burst orchestration, with unknown validity. |
| Typical managed sandbox, list | ~$0.03 | The same rate we charge. The difference is the 60 to 100 s of cold setup you pay for on every episode. |
| Premium managed sandbox, list | ~$0.06 | Roughly three times the typical per-vCPU rate. |
| Promigence, list | ~$0.03 | Warm verified fork, validity report, reproducible by hash, quoted and capped before the run. |
List prices as published on 2026-09-12, normalised to a 10-minute small environment. Your real number depends on how much of each episode is cold setup.
Asked and answered
How much does Promigence cost?
Promigence meters per second at $0.0504 per vCPU-hour plus $0.0162 per GiB-hour, the market's standard list rate. That works out at $0.17 an hour for a small sandbox (2 vCPU, 4 GB), $0.46 for medium (4 vCPU, 16 GB) and $0.92 for large (8 vCPU, 32 GB). New accounts get $50 of free credit for 30 days: $10 straight away with no card, and $40 more once a card is added (card payments open after the private beta).
Does Promigence bill per second or per run?
Per second, at the market's standard list rate, because that is what the market meters and a price nobody can compare against is worth very little. The episode survives as the unit you are quoted in: promigence run quote returns the maximum a run can cost before it starts, and --cap refuses one that would go past your ceiling.
Can I know what a run will cost before it starts?
Yes. promigence run quote returns the exact maximum cost before any environment starts, and --cap refuses a run that would exceed your ceiling rather than stopping halfway through. Paused time is not invoiced, and nothing accrues before an environment is handed to you.
Is there a free trial?
Yes: $50 of free credit for 30 days, $10 straight away with no card and $40 more once you add one (card payments open after the private beta), with 20 concurrent sandboxes and sessions up to an hour. During the private beta, signing up needs an invite code. Separately, any team can send their environments in for 1,000 verified episodes, a validity report and an exact bill quote, free and once.
Get an exact quote for your real volume
Tell us the repo or harness you run and roughly how many episodes a month. We build the verified snapshot, run 1,000 episodes free, and send back the validity report plus a real price for your actual workload rather than a calculator estimate.
- 1,000 runs of your own command, on your own repo
- What each one cost in wall clock, and anything that failed
- Whether a failure was your code or the environment
- An exact price for your real volume
Not ready to hand over a repo? Read the quickstart or check the numbers first.