- Currently we have over 500 diverse personas, representing authentic human diversity across demographics and cultures, with more being onboarded regularly.
- Global reach: Personas from 6+ countries including the UK, US, Canada, Australia, New Zealand, France, and Brazil
- Inclusive gender representation: 249 women, 199 men, and 125+ nonbinary, genderfluid, agender, and other gender identities
- Rich ethnic diversity: Representing White, Black, South Asian, East Asian, Middle Eastern, Mixed, and many more backgrounds
- Age diversity: From young professionals (137 aged 20-29) to experienced voices (51 aged 60-69), capturing perspectives across generations
- Professional breadth: Covering 30+ industries from Technology and Healthcare to Arts, Education, and beyond
- Educational spectrum: From high school diplomas to PhDs, representing diverse educational backgrounds and career paths
Meet Our Personas
20 October 2025
Discover our diverse collection of AI personas representing real people from around the world. Each persona brings unique perspectives, backgrounds, and insights to help you understand your audience better.
We have hundreds of personas built from extensive research and data, representing authentic human diversity across demographics, cultures, and perspectives. Get instant feedback from hundreds of unique viewpoints without the limitations of traditional focus groups.
Why Our Personas Matter
Each persona in our collection is carefully crafted from real-world data, representing authentic human experiences and perspectives. Unlike traditional market research methods that rely on small, homogeneous groups, our personas provide access to diverse viewpoints from around the globe.
Ready to test your ideas with diverse perspectives?
Access our library of 500+ validated AI personas representing authentic human diversity across demographics, cultures, and backgrounds. Get instant feedback from hundreds of unique viewpoints without the limitations of traditional focus groups.
- Consultancy (SRaaS): research design, audience and scenario set-up, running the simulation, and interpreting the results with you
- Custom deployments and dedicated environments for high-volume or privacy-sensitive data
- Custom audiences, grounding in your own data, and CRM integration
- Comprehensive API access to integrate Mass into your own workflows
- Reduced pricing for non-profit organisations, academic institutions, and public-interest work
Explore more insights
New Models, Same Hive
Aug 7, 2026
We have quietly re-housed the swarm. Mass now runs on the latest generation from Google, with a sharper Pro tier for the heavy lifting. For certain clients, we also route work through the newest Chinese models, because when you care about prediction, you go where the calibration is.
Features
Dead Eyes, Melted Tools, and the One Thing You Cannot Fake
Dec 21, 2025
We stress-tested 14 image models for persona profile photos. The results were not "roughly the same". They were different species.
Research
Same Persona, Seven Mirrors: Persona Validation
Dec 17, 2025
We've conducted a comprehensive validation study of our AI personas to ensure they are realistic, coherent, and useful for market research. This study uses the latest LLMmodels to assess the internal consistency and realism of our personas, ensuring they represent believable, coherent human beings.
Research
The Reality Gap: Decoding the 2025 Christmas Ad Season
Dec 15, 2025
Analysing how specific slices of British society respond to Christmas adverts, using Mass Vision's persona-based sentiment analysis engine.
Research
The Science Behind Mass
Oct 24, 2025
The evolution of market research is witnessing a paradigm shift from traditional human-centered methodologies to AI-powered persona simulations. Here we examine the scientific foundations supporting the persona approach for Mass and demonstrates why AI personas offer advantages over conventional focus group methodologies for initial market validation and feedback generation.
Research