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Free+Paid AI Tool
Claude — AI Assistant for Long-Form Analysis
Excellent at analyzing textbooks, grading essays, and writing lesson plans. Artifacts feature generates web pages and charts on the fly.
What Makes Claude Special?
- Long context — Free tier handles 100K+ tokens. Upload entire textbooks or multiple lesson plans at once.
- Strong analysis — Particularly good at comparison, contrast, and critical analysis.
- Safety-first design — Anthropic's safety-focused approach reduces hallucination.
Teacher Use Cases
1. Essay Grading
Upload student essays and ask Claude to analyze argument structure, grammar, and vocabulary. Provide detailed feedback aligned with your rubric.
2. Lesson Planning
Upload curriculum guides and get complete lesson plans with timing, activities, and assessment suggestions.
3. Model Answers
Claude writes high-quality model answers that can be used as grading references.
4. Artifacts Feature
Claude can generate web pages, charts, and diagrams in real-time. Ask it to "Create a timeline of Hong Kong history" and it generates a visual timeline instantly.
Free vs Pro
| Feature | Free | Claude Pro |
|---|---|---|
| Monthly usage | Limited (~10+ conversations/day) | 5x more |
| Long context | ✅ 100K+ | ✅ 500K |
| Artifacts | ✅ | ✅ |
| Projects | ❌ | ✅ |
| Price | Free | US$20/month (~HK$155) |
Hong Kong Access
✅ Works directly. Sign up at claude.ai with Google Account. No VPN needed.
Best for: Teachers who regularly handle long documents, grade essays, and need detailed analysis. The free tier is practical, but Pro is worth it for heavy daily use.