Rehearsals

Rehearsals is a simulation decision platform with its own foundational model and first-party panel. Test marketing decisions with AI twins of real people.

Rehearsals AI twins match real human behavior at 94% agreement, validated through studies including the Human Behavior Benchmark with Google DeepMind.

Test campaign concepts and ad creative with AI twins of real consumers, understand why one wins, and get a decision-ready answer in under an hour.

The first general human behavior API. Use Rehearsals to put customer prediction inside products, creative tools, pricing systems, recommendations, and recurring workflows.

Rehearsals moved its participant interviews to Phonic and raised call completion from 35% to 90%, nearly eliminated key-term mispronunciations, and expanded multilingual reach.

The page evaluates AI’s ability to predict human decisions using 1,199 tasks based on responses from 1,244 adults in the United States, in partnership with Google DeepMind and Kaggle.

Rehearsals joined the American Innovators Network on Capitol Hill for seven conversations about competition, open-weight models, and a national framework that gives startups room to build.

Bessemer Venture Partners maps an emerging category around two ways to build simulated populations. Rehearsals sits at the real-human-grounded edge.

The page lists an open position for an Account Executive at Rehearsals, focusing on post-sale customer relationships.

The company builds AI twins and simulation tools to help businesses understand their customers.

Test product concepts, UX screens, pricing, and roadmap trade-offs with AI twins of real customers and return to the same cohort for every follow-up.

The page lists an open position for a Founding Account Executive at Rehearsals, emphasizing sales growth.

Compare Rehearsals plans built around twin interview credits, with unlimited seats, agentic analysis, rehearsal examples, and a 30-day pilot.

Brian helped launch tool agents for Gemini at DeepMind, built production ML at Google, and created Brown’s graduate deep-learning course before joining Rehearsals.

Daniel worked on AI products at Databricks and Microsoft and built Brutus AI through its acquisition by Forta Health before co-founding Rehearsals.

David led Wayfair’s computer vision team, shipped applied AI and AR products, and grew engineering teams from zero to 15+ before co-founding Rehearsals.

Liam led teams at Google across Maps, Search and Labs. He shipped the first Gemini model, product lead of Mariner, a serial founder and has a strong technical AI background.

Why Rehearsals believes better decisions start by rehearsing how real people will respond.

The page invites requests for customized Rehearsals demos based on user simulation needs.

Rehearsals is the only simulation platform with its own foundational model and first-party panel, achieving 94.1% agreement with real human responses in the Human Behavior Bench evaluation.

The page provides the privacy policy for Rehearsals.

The page provides the terms of use for Rehearsals.