oTree experiments
without coding

Build and launch sophisticated behavioral experiments, without coding or installing anything.

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Use AI in a guided and controlled way

Conventional AI coding tools	oTree AI
Generate too much uncontrolled output that destabilizes your work.	Highly trained in oTree code and understands well how to build a working experiment.
Generate promising-looking output quickly, but then get stuck fixing problems while introducing new ones.	Produces consistent progress, reaching the finish line faster.
If you're not an expert developer who can catch the bugs that the LLM often slips in, your chances of success go way down.	Suitable for all experience levels.

Easy for non-coders: no programming experience required
Immediate deployment to a live working website you can send to colleagues or participants
Integrated recruitment and payment: we support Prolific, MTurk, PayPal, Venmo, and more.
Automatic backups: your work is continuously saved, and you can auto-download local code archives.
Full oTree capabilities: supports anything you can build with oTree, and more
Built by the author of oTree: 100% integrated with oTree's designs and workflows

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Deploy your experiments to online servers for participant access.

Point-and-click interface for building oTree experiments.

Automated Prolific integration for participant management.

Community discussion and support.

Official example apps and templates.

Browse projects built by the oTree community.