Open-source research community
Simulating the World
with 8.3 Billion Persona Agents
MatrAIx is the simulated-user evaluation infrastructure for digital products and AI systems, grounded in a population of 8.3 billion persona agents.
THE MATRAIX THESIS
The next frontier for agents is understanding humanity—and learning to behave like us.
01 · WHOPersona
→
02 · WHERE / HOWEnvironment
→
03 · WHAT / WHYApplication
→
OUTPUTEvaluation Results
01 — APPLICATION TASKS
Four types of user simulation tasks.
MARKET RESEARCH · PROMOTION TEST
“Which offer would make you buy today?”
Free ship
82%
10% off
74%
Returns
61%
2× points
45%
CUSTOMER SERVICE · PRODUCT RETURN
These shoes don't fit. Can I return them?
Yes. Were they worn outside?
No, only tried on.
Your return is approved. Here's the label. ✓
shop.test/checkout
SHOPPING WEBSITE · CHECKOUT▲
SOCIAL APP · CREATE A GROUP
Survey
// questionnaires & feedbackCollect structured and open-ended user feedback for market research, concept testing, and preference analysis.
Chatbot
// conversational AI evaluationEvaluate AI chatbots across task completion, customer satisfaction, helpfulness, safety, and multi-turn reliability.
Web
// web prototype evaluationEvaluate web prototypes and features across usability, presentation, navigation, latency sensitivity, and task completion.
App
// app product evaluationEvaluate app features and workflows across functionality, responsiveness, task success, and user preference.
02 — WHAT MATRAIX PROVIDES
From simulated users to actionable evaluation results.
03 — DEMO
See MatrAIx in action.
04 — EVAL INFRA
Start exploring the simulation stack.
8.3Bpersona corpus
1,290persona attributes
1,000+applications
Build the human layer of intelligence with us.
Join the Persona, Environment, or Application team and contribute through research, engineering, data, evaluation, or product scenarios.