# Granite Guardian vs Presidio (slim)

> Presidio scores 66 (B) on agent readiness against Granite Guardian's 60.1 (C), and leads in 3 of 7 scored categories. Granite Guardian leads on security & auth and transparency & trust. Both do guard self host. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/granite-guardian-vs-microsoft-presidio.md (~2,600 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/granite-guardian-vs-microsoft-presidio.json · canonical https://www.anchorterminal.com/compare/granite-guardian-vs-microsoft-presidio
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Presidio scores 66 (B) on agent readiness against Granite Guardian's 60.1 (C), and leads in 3 of 7 scored categories. Granite Guardian leads on security & auth and transparency & trust. Both do guard self host.

- Granite Guardian: C 60.1, rank #478 of 842 · https://www.anchorterminal.com/tools/granite-guardian.min.md
- Presidio: B 66, rank #281 of 842 · https://www.anchorterminal.com/tools/microsoft-presidio.min.md
- Granite Guardian, good for A team with a GPU that wants one English-language judge for harm, jailbreaks, RAG groundedness, function-call checks and house rules, under a permissive licence with no gate. Ahead on Security & auth, 58 against 53; Transparency & trust, 70 against 65.
- Presidio, good for Detecting and masking personal data in prompts, outputs, logs and images on the owner's own machines, with detection tuned by entity, threshold and custom recognisers. Ahead on Reliability, 78 against 56; Schema & documentation, 69 against 60; Maintenance & community, 63 against 47. Also Open source.

| Category | Granite Guardian | Presidio |
| --- | --- | --- |
| Reliability (16%) | 56 | 78 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 60 | 69 |
| Agent ergonomics (13%) | 69 | 69 |
| Security & auth (14%) | 58 | 53 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 47 | 63 |
| Transparency & trust (7%) | 70 | 65 |

| Fact (where they differ) | Granite Guardian | Presidio |
| --- | --- | --- |
| Kind | Model API | SDK + MCP |
| Vendor | IBM | Data Privacy Stack |
| Licence | Apache 2.0 for the weights and the repository | MIT |
| Last release | 2026-04-29 | 2026-07-22 |
| Popularity | 182 stars | 11k stars, 1.2M PyPI/wk |