Gate
Agent builders and engineers
- The command line
- The MCP server
- Reports for people and pipelines
- Evidence packs
- The GitHub Action
Enterprise
Methods groups and surrogate vendors
- Fluent and STAR-CCM+
- The residual of a predicted field
Design partners: we verify up to 50 of your runs, free, each within seven days, for eight weeks.
Become a design partner→Evaluations and environments
For agent vendors and AI labs.
- A private evaluationA fresh hidden draw · a signed report
courant-envA training environment · a binary reward
What it is expected to save, and why.
$14,000 (expected)
a year per simulation engineer
Assumption
Assumption
Assumption
Needs JavaScript
* Expected, not measured: 156 hours a year of results checking taken over, at an aerospace engineer’s loaded $94.63 an hour; $14,762, rounded down. Sources: BLS 2024, BLS 2026, Tech-Clarity 2016, and Courant’s assumptions.
- Wage$134,830USD a yearSourcedU.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2024; reported in The Economics Daily, "Force, mass, mechanisms and vectors: employment projections and wages in engineering" (2026) · accessed 7 Oct 2026
- Wages in employer cost68.5%share of employer costSourcedU.S. Bureau of Labor Statistics, Employer Costs for Employee Compensation, June 2026 (released 9 Sep 2026) · accessed 7 Oct 2026
- Paid hours2,080hours a yearAssumptionCourant's assumption (the common convention). It sets the hourly cost and the hours, and cancels out of the dollar figure
- On simulation60%share of paid hoursAssumptionCourant's assumption, chosen low for a job titled simulation engineer; no public survey reports it
- Checking results25%share of simulation timeSourcedTech-Clarity, "Addressing the Bottlenecks of Simulation" (2016), a survey of over 160 manufacturers, sponsored by Siemens, Figure 2 (preprocessing 38%, postprocessing 25%, waiting for the solver 23%) · accessed 7 Oct 2026
- Taken over50%share of results analysisAssumptionCourant's assumption
Not counted, so it is a floor:
- Compute spent on broken setups and on runs past the point their answer stopped changing
- Re-runs
- A wrong result found late: NASA JSC (Stecklein et al., 2004, NTRS 20100036670, ntrs.nasa.gov) puts correcting it at 3-8 times the requirements-stage cost in design and 21-78 times in integration and test
- The extra review that agent-produced runs add
Other assumptions EXPECTED
- The mechanical-engineer median ($102,320), all else as shown$11,000156 hours taken over
- Version 1: the mechanical median at the all-worker share (0.700)$10,000156 hours taken over
- Half of hours on simulation, a third of checking taken over$8,00086.67 hours taken over
- Three quarters of hours on simulation$18,000195 hours taken over
- Is the free gate free for commercial use?
- Yes. It is Apache-2.0. Source
- Where does my data go?
- The gate sends nothing to Courant; a design partner sends us only what it chooses. Security
- Does a model decide the verdict?
- No. Deterministic code decides every verdict. The evidence

