sim·u·la·tionnoun
An where are into that across .
01Prairie EngineA general simulation engine
The world begins with a sentence.
Describe any world. Prairie Engine composes the place, its agents, pressures, and possible futures. Type any intervention to direct what happens, or press Advance and let the world continue.
- 01
Describe
Begin with a sentence. The world can be anything.
- 02
Ignite
The Engine composes a coherent scene and running system.
- 03
Continue
Prompt the world in your own words, or press Advance to let events unfold on their own.
- Platforms
- macOSAvailableWindowsAvailable
- Models
- GPT-5.6 Luna, Terra, and Sol through your Vercel AI Gateway key
- Your world
- Stored locally on your computer and restored at launch
- Usage
- Vercel AI Gateway usage is billed separately
Getting started
- 01DownloadInstall Prairie Engine on your computer.
- 02ConnectEnter your Vercel AI Gateway key.
- 03DescribeBegin a world with one sentence.
Prairie LABS
Prairie Labs, Inc. · General Simulation Company™
Not just a company. A category: simulation.
01 What we make
The thing that makes the things.
Prairie Engine turns ordinary language into simulations: courtroom and customer-service training, historical education, games, market worlds, and more.
- 01
Engines
General systems for composing and running many kinds of simulations.
- 02
Programs
Purpose-built simulations for a defined audience, situation, and outcome.
- 03
Research
Work on the language, interfaces, and systems that make simulation broadly useful.

02 Prairie Engine
The world begins with a sentence.
Describe any world. Prairie Engine composes the place, its agents, systems, and pressures. Type any intervention to direct what happens, or press Advance and let the world continue.
- Releases
- macOS 2.0.2 · build 74; Windows 2.0.2 · build 74
- Platforms
- macOSWindows
- Models
- GPT-5.6 Luna, Terra, and Sol through Vercel AI Gateway
- World
- Stored locally on your computer
14.2 MB · Verify release
SHA-256 b9b9c581101e9ee35390e1f925b76e8b755eade15d16102559415d76518c20a7
03 Uses
Where simulation works.
Enterprise
Prepare your people with a repeatable place to rehearse situations that are difficult, rare, expensive, or unsafe to encounter for the first time in reality.
- 01
Train a sales-floor manager
Place a new manager inside a shift: coach employees, respond to customers, handle an escalation, and decide what the floor needs next.
- 02
Explore customer response
Model a crowd encountering a pop-up demonstration and explore how different messages, layouts, delays, and interventions may change its response.
- 03
Prepare for the boardroom
Let an employee walk into a consequential meeting before it happens, encounter plausible questions and dynamics, and rehearse how they want to respond.
- 04
Enter the courtroom
Rehearse a hearing or trial environment: encounter arguments, testimony, procedure, pressure, and plausible turns before entering the real room.
Generated behavior is exploratory. It helps people rehearse possibilities; it does not predict with certainty how a specific person or crowd will act.
Education
Put students in the driver’s seat. A simulation places the learner inside the subject, where action, feedback, and consequence carry the lesson forward.
- 01
Teaching
Turn historical events, scientific systems, and social situations into guided experience.
- 02
Assessment
Observe how a learner understands, decides, adapts, and explains inside the work itself.
- 03
Research
Build controlled, repeatable worlds for exploring assumptions and comparing interventions.

