# Google Sheets API vs Microsoft Excel (Microsoft Graph workbook API) (slim)

> Google Sheets API scores 76.3 (BB) on agent readiness against Microsoft Excel (Microsoft Graph workbook API)'s 58.5 (C), and leads in 6 of 7 scored categories. Both do sheets read. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/google-sheets-api-vs-microsoft-excel-graph.md (~2,300 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/google-sheets-api-vs-microsoft-excel-graph.json · canonical https://www.anchorterminal.com/compare/google-sheets-api-vs-microsoft-excel-graph
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Google Sheets API scores 76.3 (BB) on agent readiness against Microsoft Excel (Microsoft Graph workbook API)'s 58.5 (C), and leads in 6 of 7 scored categories. Both do sheets read.

- Google Sheets API: BB 76.3, rank #33 of 629 · https://www.anchorterminal.com/tools/google-sheets-api.min.md
- Microsoft Excel (Microsoft Graph workbook API): C 58.5, rank #399 of 629 · https://www.anchorterminal.com/tools/microsoft-excel-graph.min.md
- Google Sheets API, good for Agents reading and writing cells, formulas and formatting in spreadsheets people already keep in Google Sheets. Ahead on Reliability, 90 against 62; Security & auth, 80 against 65; Payments & pricing, 35 against 15; Maintenance & community, 85 against 53; Transparency & trust, 80 against 75. Also Agent-ready, a grade of BB or better; No incidents deducted, where Microsoft Excel (Microsoft Graph workbook API) loses 4 points for them.
- Microsoft Excel (Microsoft Graph workbook API), good for Agents working on .xlsx files that already live in a Microsoft 365 tenant, and for using Excel's calculation engine through function endpoints.

| Category | Google Sheets API | Microsoft Excel (Microsoft Graph workbook API) |
| --- | --- | --- |
| Reliability (16%) | 90 | 62 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 83 | 85 |
| Agent ergonomics (13%) | 74 | 73 |
| Security & auth (14%) | 80 | 65 |
| Payments & pricing (10%) | 35 | 15 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 85 | 53 |
| Transparency & trust (7%) | 80 | 75 |

| Fact (where they differ) | Google Sheets API | Microsoft Excel (Microsoft Graph workbook API) |
| --- | --- | --- |
| Vendor | Google | Microsoft |
| Hosted endpoint | `https://sheets.googleapis.com/v4` | `https://graph.microsoft.com/v1.0` |
| Transports | HTTP, Streamable HTTP | HTTP |
| Pricing | Free | Your plan |
| Licence | Proprietary service under the Google APIs Terms of Service. The client libraries are Apache-2.0 | MIT (SDKs) |
| Tools exposed | 6 | none |
| Last release | 2026-10-07 | 2025-09-19 |
| Terms last updated | 2021-11-09 | 2025-10-01 |
| Privacy policy last updated | 2026-10-01 | 2026-09-01 |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | not found in the text | yes |
| Popularity | 12k stars, 1.9M npm/wk, 31.8M PyPI/wk | 835 stars, 2.9M npm/wk, 1.6M PyPI/wk |