From Newsgroup: alt.privacy

BBC probe finds AI chatbots mangle nearly half of news summaries

Google Gemini worst offender with 76% error rate

A major study [PDF] led by the BBC on behalf of the European
Broadcasting Union (EBU) found that OpenAI's ChatGPT, Microsoft
Copilot, Google Gemini, and Perplexity misrepresented news content in
almost half of the cases.

An analysis of more than 3,000 responses from the AI assistants found
that 45 percent of answers given contained at least one significant
issue, 31 percent had serious sourcing problems, and a fifth had "major accuracy issues, including hallucinated details and outdated
information."

When accounting for smaller slip-ups, a whopping 81 percent of
responses included a mistake of some sort.

Gemini was identified as the worst performer, with researchers
identifying "significant issues" in 76 percent of responses it provided
u double the error rate of the other AI bots.

The researchers blamed this on Gemini's poor performance in sourcing information, with researchers finding significant inaccuracies in 72
percent of responses. This was three times as many as ChatGPT (24
percent), followed by Perplexity and Copilot (both 15 percent).

More here:
https://www.theregister.com/2025/10/24/bbc_probe_ai_news/

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