Claude Research
Claude's multi-step research mode, strong on careful reports.
- Best for
- Careful research for paying Claude users
- On your PC
- No, online only
- Works on
- Web, iPhone, Android, Windows
- Made by
- Anthropic
What’s good
- Claude models rank 4th and 6th on LMArena Search
- Included in every paid Claude plan from $20
- Clear, well written reports
Downsides
- Not on the free plan
- Free Claude has basic web search only
The details.
- Version
- Claude Opus 5.5Released 2026-09-22
- Works on
- Web, iPhone, Android, Windows, Mac
- Open source
- No
- Made by
- Anthropic
- Website
- claude.ai
How it ranks.
- LMArena Search, style control (Claude Fable 5.1 High)#4 · score 12332026-11-05
Can I run it myself?
No. It only runs online.
Your prompts and files go to the company’s servers. See the local options in this category for a private alternative.
Want it offline? The best local option for ai search is Vane (formerly Perplexica).