A lone figure walks through a radiant archway toward a future skyline, the Stanford-Binet's milestones floating alongside — Alfred Binet's 1905 scale, the 1937 Stanford revision, the 2003 five-factor model, and the 2022 SB5-E online edition
SB5-E · 2022 Online EditionThe latest Stanford-Binet, 5th Edition — now reimagined for the web.

Stanford-Binet 5Online IQ Test

A modern online IQ assessment inspired by the Stanford-Binet 5th Edition framework. In 35 to 45 minutes, receive a five-factor cognitive profile that reveals how your mind reasons, remembers, learns, visualizes, and solves problems — beyond a single IQ score.
The only accredited online version of the Stanford-Binet 5th Edition.
The Stanford‑Binet IQ test, as featured in
Alfred Binet conducting an intelligence assessment with a child, early 1900s
Binet, mid-assessment

Intelligence isn’t a single number — it’s five distinct cognitive factors working together. Stanford-Binet Intelligence Scales Fifth Edition measures each one separately, using updated norms and a scientifically developed framework, to reveal your cognitive profile: where your strengths lie, which areas may need support, and what kind of thinking comes most naturally to you.

So, what does your mind do best?See how the test works and unwrap your brain.