Popular AI services
Claude
The AI chat known for natural, careful writing
—
July 2026
Free tier available
Popular AI services
What we checked ourselves
Not copied from the project's own blurb. These are things we opened and verified, with the date.
- 20 Aug 2026We read the official terms of service to check commercial use: allowed.
Where this sits among the 15 tools we list in Popular AI services
- Works without using a terminal15 of 15
- No API key required15 of 15
- Runs on a phone alone13 of 15
- Commercial use confirmed as allowed6 of 15
Only 5 of the 15 meet all of the conditions above.
Counted from our own checks: every tool we list is examined against the same criteria.
What it does
Anthropic's assistant excels at long documents, reasoning and prose. Free tier available.
Summary based on the project's own description. The Japanese page has a fuller beginner guide: setup difficulty, what to prepare, and a step-by-step start.
Screenshots & visuals
Before you start
- Setup difficultyEasy to start
- Command lineNot required
- API keyNot required
- Sends data onlineYes
Judged automatically from the project's own metadata. Always confirm on the official page.
Claude FAQ
- Do I need to install anything or write code to use Claude?
- No install needed — it runs in the browser.
- Does Claude work on a phone?
- Yes, it works on a phone.
- Can I use Claude commercially?
- The licence is 商用サービス. Read the licence text before using it commercially.
How it compares
The conditions that decide whether you can actually use it, side by side.
| Tool | Command line | API key | Sends data out | Phone | Commercial use |
|---|---|---|---|---|---|
| Claude (this page) | Not needed | Not needed | Yes | Yes | Yes |
| ChatGPT | Not needed | Not needed | Yes | No | Yes |
| Gemini | Not needed | Not needed | Yes | Yes | Yes |
| Perplexity | Not needed | Not needed | Yes | Yes | No |
"Sends data out" means your input is uploaded to someone's server. Pick "No" when the material cannot leave your organisation.