Powered by science

Understand personality
the scientific way

Sentino combines validated psychometric frameworks — Big Five, NEO PI-R, RIASEC and more — to build rich personality profiles from any text.

Build your own profile for free. Add people you know. Explore what makes everyone tick.

Learn more about the platform

How it works

01

Write or upload

Add a self-description, paste an interview transcript, or answer a questionnaire. Any text about a person works.

02

We extract statements

Our pipeline parses the text into structured personality statements and maps each one to validated scientific constructs.

03

Get a personality profile

Scores across Big Five, NEO PI-R, RIASEC and custom inventories — grounded in decades of psychometric research.

Read the full step-by-step walkthrough

Scientific inventories

Validated frameworks, ready to use

Each inventory is seeded with hundreds of research-backed items. Use the ones you know, or add your own.

Big Five (OCEAN)

OpennessConscientiousnessExtraversionAgreeablenessNeuroticism

The most widely used personality model in academic research. Predicts life outcomes from career success to relationship quality.

NEO PI-R

30 facets6 domainsclinical-grade

The gold standard clinical personality instrument. 240 items, 30 facets across the five major personality domains.

RIASEC / Holland Codes

RealisticInvestigativeArtisticSocialEnterprisingConventional

Vocational personality model that maps interests to career types. Used in career counselling worldwide.

Custom inventories

YAML configany domainfun & serious

Define your own constructs — from attachment styles to love languages to dark triad traits. If it can be described in text, it can be scored.

Who can you profile?

Yourself and the people around you

🪞

Your own profile — free

Write self-descriptions, answer questionnaires, or upload interviews. Build a deep, evolving personality model of yourself.

👥

Profiles of others

Add friends, colleagues, partners. Send them an invite to fill in their own profile, or build it yourself from notes and observations.

0 personality profiles created

Developer API

Integrate personality into your product

RESTful API with OpenAPI docs, typed responses, and quota-tracked keys. One call to score a person.

curl -X POST https://v6.sentino.org/persons/abc123/profile \
  -H "Authorization: Bearer sk_live_..." \
  -H "Content-Type: application/json" \
  -d '{"inventories": ["big_five", "neo_pi_r"]}'

# Response
{
  "person_id": "abc123",
  "profiles": [
    { "inventory": "Big Five",
      "scores": [
        { "index": "Openness",          "score": 0.82 },
        { "index": "Conscientiousness", "score": 0.71 }
      ]
    }
  ]
}

Pricing

Free to start, paid when you scale

Profiling yourself is free forever. Upgrade to profile other people, send invites, and use the API.

Free

Free

Build and explore your own personality profile.

  • Profile yourself — free
  • Answer questionnaires
  • Explore inventory scores
  • Send invites to others
ProAPI

$19/mo

Profile the people around you.

  • Everything in Free
  • Profile other people
  • Send questionnaire invites
  • API keys & programmatic access
  • Add other people
BusinessAPI

$99/mo

Scale across teams and clients.

  • Everything in Pro
  • Bulk import
  • Higher monthly limits
  • Add other people
EnterpriseAPI

Custom

Custom deployments and support.

  • Everything in Business
  • Data export
  • Priority support
  • Custom limits
  • Add other people

Questions about plans or volume pricing? Talk to us →

Ready to explore personality?

Your profile is free. No credit card required.

Create your profile