AIWB: The AI Writing Benchmark

Insights

Data-led investigations into how AI models write, compare and change.

Does AI Write Better in English With or Without Reasoning?

In the current direct sample, reasoning-enabled responses earned 66.2% of the available points in English. The uncertainty interval still includes parity, the result differs sharply from one model to the next, and no human votes have compared the two settings directly yet.

New analysis