ChatGPT starts at $20/mo; Anthropic API (Claude) is free. Both rated 4.7/5 by users.

AI chatbot by OpenAI — the most widely used AI assistant for writing, coding, and analysis.

Anthropic's API providing access to Claude models with industry-leading safety, 200K context windows, and strong reasoning capabilities.


Independent analysis based on features, pricing, and user ratings
ChatGPT uniquely offers AI text generation, Code assistance, Image generation. Anthropic API (Claude) uniquely offers Claude 3.5 Sonnet/Opus/Haiku, 200K context window, Vision capabilities. Both share 0 features.
ChatGPT starts at $20/mo; Anthropic API (Claude) is free.

Free tier available

Paid plans only