Start free. Upgrade when you need more simulations, more models, or full export access.
Plus
Thirty simulations a day, every model, and synthetic audiences.
Pro
Unlimited simulations and experiments, 500 synthetic respondents a month, and exports.
Lifetime
One payment for permanent access to everything.
Institutions & teams
Behavioural Engines is used to teach behavioural science and to run live experiments with classes, teams, and event audiences. We arrange custom access for universities, research groups, and organisations, including seats, unlimited experiments, and onboarding.
| Feature | Free 15/day | Plus 30/day | Pro Unlimited | Lifetime Unlimited |
|---|---|---|---|---|
| Daily simulations | 15 | 30 | Unlimited | Unlimited |
| Public models | ||||
| All models | ||||
| Simulation history | ||||
| Parameter presets | ||||
| Scenario library | ||||
| Named run history | ||||
| Comparison mode | ||||
| Experiments (shareable surveys) | 3 | Unlimited | Unlimited | |
| Synthetic respondents (AI) | 500/mo | 500/mo | 500/mo | |
| Audience generations | 10/mo | 10/mo | 10/mo | |
| Cohort simulation & fidelity analysis | ||||
| Export (PDF, CSV, JSON) | ||||
| Re-run from history | ||||
| Shareable run links |
Questions? Get in touch · Refund policy