ChatGPT by OpenAI
Conversational AI for writing, analysis, and code.
ChatGPT is OpenAI's flagship assistant — a general-purpose chatbot for writing, analysis, coding, and research. Free tier covers everyday use; paid tiers add the latest models, larger context, image generation, advanced data analysis, voice, and custom GPTs.
Best for: An all-round assistant most people can pick up in minutes.
2022 (ChatGPT launch); OpenAI founded 2015
San Francisco, CA
Individuals, students, developers, and enterprises.
Key features
Pros
- Huge ecosystem and mindshare
- Strong general reasoning
- Constant feature cadence
Watch-outs
- Best features gated behind Plus/Pro
- Usage limits on top models
Integrates with
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More in Assistants & chat
Claude
Anthropic
A helpful, honest assistant with long context and strong writing.
Gemini
Google's multimodal assistant, tied into Workspace.
Perplexity
Perplexity AI
An answer engine with live, cited sources.