Compare different search services based on generative AI

Our comparison will cover several information search services.

• ChatGPT is available in 4/4o (paid) and 4o mini (free) versions, capable of performing web searches. Sources are not always explicitly presented, and may have to be requested via the prompt.

• Copilot is associated with the Bing engine, so you don't need an account to access it. Copilot cites several sources found by the engine at the end of the AI-generated response. Additional prompts are offered at the end of each response, to keep the conversation going.

• Gemini is similarly associated with the Google search engine, and has come a long way since its initial version under the name Bard. It doesn't always cite its sources, but stands out for its multimodal nature and reasoning capabilities. Responses are often...