Anthropic API (Claude) is free; Claude starts at $20/mo. Anthropic API (Claude) is rated higher at 4.7/5 vs Claude's 4.5/5.

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

AI assistant by Anthropic — known for long context windows, nuanced reasoning, and safety.


Independent analysis based on features, pricing, and user ratings
Anthropic API (Claude) uniquely offers Claude 3.5 Sonnet/Opus/Haiku, 200K context window, Function calling. Claude uniquely offers Long context (200K tokens), Document analysis, Code generation. Both share 1 features including Vision capabilities.
Anthropic API (Claude) is free; Claude starts at $20/mo.

Paid plans only

Free tier available