How well do you understand the world of words? Verbal ability includes the capacity to reason using language, and to use words appropriately and in context. This test measures some of these abilities.

Test what you know about multiple intelligences. One of the most appealing ideas in psychology is the theory, first put forth by Harvard psychologist Howard Gardner in 1983, that several distinct ...

Is Claude Opus 4.6 worth $20/month? I ran 7 stress tests against the free ChatGPT-5.4 to compare coding, logic, and daily tasks. Here’s the clear winner.

The final round of AI Madness 2026 is here. We pitted ChatGPT against Claude in 7 brutal, real-world benchmarks — from senior ...