By FP Tech Desk
Publication Date: 2026-05-27 07:01:00
A new study comparing leading AI chatbots has found that Perplexity AI outperformed bigger rivals including ChatGPT, Gemini and Claude on reliability, accuracy and uptime. The findings challenge the assumption that the most popular AI assistant is automatically the most dependable, especially as millions increasingly rely on chatbots for work and daily tasks.
A new study from US-based digital marketing agency Legal Guardian Digital has attempted to answer exactly that by ranking some of the world’s most widely used AI assistants on reliability. And in a result that may surprise many users, the winner was not OpenAI’s ChatGPT.
Instead, Perplexity AI claimed the top spot, outperforming larger and more mainstream rivals including ChatGPT, Google Gemini and Anthropic Claude.
The report assessed AI chatbots using a mix of practical metrics, including hallucination rates, uptime reliability, response consistency and customer satisfaction. In short, researchers wanted to find out which chatbot was least likely to confidently invent facts while also remaining stable enough for regular everyday use.
The results suggest that smaller AI platforms may quietly be overtaking their bigger rivals in areas that matter most to users.
Perplexity leads on accuracy and uptime
According to the report, Perplexity recorded the lowest hallucination rate among major AI chatbots at 13 per cent, well below the industry average of 22 per cent. The platform also maintained a…
