In December 2024, the BBC carried out research into the accuracy of four prominent AI assistants that can search the internet – OpenAI’s ChatGPT; Microsoft’s Copilot; Google’s Gemini; and Perplexity. We did this by reviewing responses from the AI assistants to 100 questions about the news, asking AI assistants to use BBC News sources where possible.
The answers produced by the AI assistants contained significant inaccuracies and distorted content from the BBC. In particular: …
51 % significant issues, 19 % factual errors, 13 % altered or invalid quote citations