# Contacts & address books compared head to head (slim)

> 3 head-to-head comparisons of contact and address book APIs for AI agents, grouped by the job each pair shares, with benchmark scores for both sides.

- Full: https://www.anchorterminal.com/compare/contacts/index.md (~400 tokens) · this version ~330 tokens · JSON https://www.anchorterminal.com/compare/contacts/index.json · canonical https://www.anchorterminal.com/compare/contacts/
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14

- Ranked table: https://www.anchorterminal.com/categories/contacts.md

## Ranked

1. [Google People API](https://www.anchorterminal.com/tools/google-people-api.md) B 65.2
2. [Microsoft Graph People and Contacts API](https://www.anchorterminal.com/tools/microsoft-graph-people.md) B 64.6
3. [ContactsPlus](https://www.anchorterminal.com/tools/contactsplus.md) E 42.4

## Reading contacts

- [ContactsPlus vs Google People API](https://www.anchorterminal.com/compare/contactsplus-vs-google-people-api.md): E 42.4 vs B 65.2
- [ContactsPlus vs Microsoft Graph People and Contacts API](https://www.anchorterminal.com/compare/contactsplus-vs-microsoft-graph-people.md): E 42.4 vs B 64.6
- [Google People API vs Microsoft Graph People and Contacts API](https://www.anchorterminal.com/compare/google-people-api-vs-microsoft-graph-people.md): B 65.2 vs B 64.6