Testing isn't optional. Every AI platform interprets your data differently. What works perfectly in ChatGPT might fail completely in Perplexity. Test ...

ChatGPT saves a history of your previous chats, which can be helpful. However, you can delete these chats to limit the data that OpenAI has about you. To delete an individual chat, go to the "Your ...

Compare ChatGPT, Claude, Gemini, Perplexity, and Grok with real features like Perplexity citations and Gemini video tools.