Quick Answer
Free Claude allows limited daily messages. Pro offers significantly higher limits with priority access.
Detailed Answer
Claude Free gives you access to Claude Sonnet with usage caps that reset periodically. When you hit the limit, you wait or upgrade. Claude Pro at $20/month raises limits substantially and gives priority access during high-traffic periods. Anthropic does not publish exact message counts, and limits vary based on message length and server load.
Find Your Own Answer
The best way to decide is to try them yourself. Council lets you compare multiple AI responses to the same question.