Gemma 4 is Google’s latest open-weight model family, released in April 2026. It comes in four sizes — E2B, E4B, E12B, and E27B — all natively multimodal, meaning they handle text and images with...
Llama 4 is Meta’s most capable open-weight model family to date, released in April 2026. It introduces a mixture-of-experts (MoE) architecture and native multimodal support — meaning it handles ...
Yes — Perplexity AI can summarise PDFs, but this feature is only available on the Pro plan. If you are on the free tier, there are some workarounds worth knowing about. Here is exactly how the PDF fea...
Perplexity AI is one of the most useful free tools available to students. Unlike ChatGPT, which generates answers from memory, Perplexity searches the live web and cites every source — making it far m...
Perplexity AI and Claude are both excellent AI tools, but they are designed for fundamentally different tasks. Perplexity is a live search and research engine that cites its sources. Claude is a reaso...
Perplexity AI and ChatGPT are both AI tools that answer questions in natural language, but they are designed to solve different problems. Understanding the difference will help you choose the right on...
Perplexity AI is straightforward to use at a basic level, but there are a number of features and techniques that significantly improve the quality of results. Whether you use it occasionally or every ...
Perplexity AI is one of the most practical research tools available today. Unlike ChatGPT, which generates answers from memory, Perplexity searches the live web for every query and cites every source ...
Perplexity AI Pro costs around £17 per month (or £150 per year). The free version is genuinely useful, which makes the upgrade decision a real one — you are not paying to remove an artificial limitati...