Meta, OpenAI, Anthropic and Cohere A.I. models all make stuff up — here’s which is worst

If the tech industry’s top AI models had superlatives, Microsoft-backed OpenAI’s GPT-4 would be best at math, Meta‘s Llama 2 would be most middle of the road, Anthropic’s Claude 2 would be best at knowing its limits and Cohere AI would receive the title of most hallucinations — and most confident wrong answers.

That’s all according to a

from researchers at Arthur AI, a machine learning monitoring platform.

The research comes…