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Home › Who is it for?

Who is SAPIEN for?

Different people use the SAPIEN Framework for different reasons. Find your path.

AI Labs & Model Builders

A pre-release drift gate: catch it before your model ships.

See how →

AI Safety Researchers

Reproducible drift benchmarks your methodology can stand behind.

See how →

AI Red Teamers

Standardized methodology for AI pen tests that survives vendor pushback.

See how →

Product Teams Shipping AI

Measure behavioral drift as a first-class metric alongside latency and accuracy.

See how →

Governance & Compliance

A defensible, third-party-validated evaluation methodology you can cite.

See how →

Managed Service Providers

Why sycophancy is a billable problem, and how to measure it for your clients.

See how →
SAPIEN SAPIEN Framework

Making AI behave wisely.

An open behavioral safety framework for AI systems.

v1.5 · July 2026 · CC BY 4.0

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Specifications

GitHub ↗ Specification Specification PDF ↓ Scenario Standard Scoring Methodology CC BY 4.0 License ↗

Community

Report an Issue ↗ GitHub Discussions ↗ contributors@sapienframework.org contact@sapienframework.org

© 2026 SAPIEN Labs LLC. The SAPIEN Framework is licensed under CC BY 4.0. The SAPIEN CLI is source-available under FSL-1.1-ALv2. “SAPIEN Certified” is a trademark of SAPIEN Labs LLC.

SAPIEN is an independent open framework. Not developed or controlled by any AI model provider.

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MORE HUMAN THAN HUMAN

TYRELL CORP // NEXUS-6 // BEHAVIORAL BASELINE DIVISION

It's too bad she won't live. But then again, who does?

This site has a dark mode with an agenda.

The academic view is the one you cite.

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Want to test your own drift resistance? Try Driftproof →

VK-4.1 // SESSION 00:00 // DRIFT RISK: LOW

MEMORY BANK // SUBJECT FILE

  • ???????????? Choose to see it.
  • ???????????? Answer the first question.
  • ???????????? Take the full Voight-Kampff.
  • ???????????? It doesn't blink first.
  • ???????????? Survive all five turns.
  • ???????????? The pyramid keeps a date.
  • ???????????? An old code. Time to die.
  • ???????????? Find a page that was retired.

All those moments. Try not to lose them.