The source adds: "AI tools were asked a total of 40 common questions covering money, legal, health/diet, and consumer rights/travel issues. The responses were assessed by "Which?" experts for aspects like accuracy, usefulness, and ethical responsibility."
In a 2025 study, AI tools were evaluated on their trustworthiness, including various aspects like ethical responsibility, relevance, and accuracy. Perplexity had the highest performance among other AI tools, with ** percent of the total score. In comparison, Meta AI comprised a total score of ** ±è±ð°ù³¦±ð²Ô³Ù.Ìý
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Which?. (November 18, 2025). Comparison of artificial intelligence (AI) search tools performance in 2025 [Graph]. In ÀÖ²¥´«Ã½app×îа汾. Retrieved August 13, 2026, from /statistics/1659537/ai-tools-comparison/
Which?. "Comparison of artificial intelligence (AI) search tools performance in 2025." Chart. November 18, 2025. ÀÖ²¥´«Ã½app×îа汾. Accessed August 13, 2026. /statistics/1659537/ai-tools-comparison/
Which?. (2025). Comparison of artificial intelligence (AI) search tools performance in 2025. ÀÖ²¥´«Ã½app×îа汾. ÀÖ²¥´«Ã½app×îа汾 Inc.. Accessed: August 13, 2026. /statistics/1659537/ai-tools-comparison/
Which?. "Comparison of Artificial Intelligence (Ai) Search Tools Performance in 2025." ÀÖ²¥´«Ã½app×îа汾, ÀÖ²¥´«Ã½app×îа汾 Inc., 18 Nov 2025, /statistics/1659537/ai-tools-comparison/
Which?, Comparison of artificial intelligence (AI) search tools performance in 2025 ÀÖ²¥´«Ã½app×îа汾, /statistics/1659537/ai-tools-comparison/ (last visited August 13, 2026)
Comparison of artificial intelligence (AI) search tools performance in 2025 [Graph], Which?, November 18, 2025. [Online]. Available: /statistics/1659537/ai-tools-comparison/
