
ChatGPT
OpenAI's conversational assistant for writing, coding, analysis, and everyday questions.

Answer engine that responds with cited, sourced web results.
Perplexity is an answer engine that combines live web search with LLMs to return concise, cited answers. The free tier covers everyday questions; Pro adds more powerful models, deeper research, and file analysis.
Perplexity has a free tier, with paid plans that unlock more usage and features.
Answer engine that responds with cited, sourced web results. It's a ai chat & assistants tool.
Perplexity is made by Perplexity AI. You can try it at its official site.

OpenAI's conversational assistant for writing, coding, analysis, and everyday questions.

Anthropic's assistant known for long-context reasoning, writing, and coding.

Google's multimodal assistant integrated with Search, Workspace, and Android.