ChatGPT
The assistant that brought AI to the mainstream. Chat, search, voice, image generation and agents in one app across web, desktop and phone.
Claude
Anthropic's AI assistant for writing, analysis, research and coding. Known for careful reasoning, long documents and a natural writing voice.
Compare:Claude vs ChatGPTClaude vs GeminiClaude vs Perplexity
What it is
Claude handles long documents and nuanced writing especially well. You can upload files, connect your tools and let it research the web, then turn the results into documents, charts or small apps.
Projects keep context and files together, so recurring work does not start from zero each time.
Similar tools
Gemini
Google's assistant, woven into Search, Gmail, Docs and Android. Strong at research, long context and anything inside the Google ecosystem.
Perplexity
An answer engine. Ask a question and get a direct, cited answer pulled from the live web, with sources you can check in one click.
NotebookLM
Upload your own sources and ask questions grounded only in them. Turns documents into study guides, briefings and audio overviews.