https://aiplugged.in/chatgpt-vs-claude-vs-gemini-vs-perplexity-2025-%e0%a4%95%e0%a4%be-best-ai-tool-%e0%a4%95%e0%a5%8c%e0%a4%a8-%e0%a4%b8%e0%a4%be-%e0%a4%b9%e0%a5%88/