Claude AI by Anthropic is one of the safest and most capable AI assistants available. For students, it excels at explaining complex topics simply.

Key tips:

1. Be specific: 'Explain photosynthesis as if I'm 15' gives better results than 'explain photosynthesis.'

2. Ask for examples: Request real-world examples to understand abstract concepts.

3. Study mode: Ask Claude to quiz you, create flashcards, or explain why your answer is wrong.

4. Fact-check: Always verify medical, legal, or critical facts with official sources.

5. Iterate: If unclear, say 'explain it differently' or 'give me an analogy.'

Claude is free at claude.ai.