Tool

Claude

Anthropic's AI assistant, strong at long documents, writing and analysis; includes web search and research.

Free tier

Yes

Starting price

$20/mo

Pricing

Pro $17/mo billed annually. Research feature is paid-only.

Updated

17 Oct 2026

Open tool

• assistant
• writing
• documents
• research

Picked for

• Which AI tool should I use to chat with my PDFs and documents? Rank 2
• Which AI tool should I use to polish my writing? Rank 2
• Which AI tool should I use to research a topic with sources? Rank 3

Sources

• claude.com — pricing