# LlamaFirewall vs Presidio (slim)

> Presidio scores 66 (B) on agent readiness against LlamaFirewall's 50.8 (D), and leads in 6 of 7 scored categories. Both do guard pii. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/llamafirewall-vs-microsoft-presidio.md (~2,500 tokens) · this version ~530 tokens · JSON https://www.anchorterminal.com/compare/llamafirewall-vs-microsoft-presidio.json · canonical https://www.anchorterminal.com/compare/llamafirewall-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 LlamaFirewall's 50.8 (D), and leads in 6 of 7 scored categories. Both do guard pii.

- LlamaFirewall: D 50.8, rank #682 of 842 · https://www.anchorterminal.com/tools/llamafirewall.min.md
- Presidio: B 66, rank #281 of 842 · https://www.anchorterminal.com/tools/microsoft-presidio.min.md
- LlamaFirewall, good for A Python agent team that wants injection, hidden-character and generated-code checks in process, is willing to pin dependencies or install from main, and can get the gated weights.
- 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 53; Schema & documentation, 69 against 49; Agent ergonomics, 69 against 60; Payments & pricing, 60 against 50; Maintenance & community, 63 against 15; Transparency & trust, 65 against 58.

| Category | LlamaFirewall | Presidio |
| --- | --- | --- |
| Reliability (16%) | 53 | 78 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 49 | 69 |
| Agent ergonomics (13%) | 60 | 69 |
| Security & auth (14%) | 56 | 53 |
| Payments & pricing (10%) | 50 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 15 | 63 |
| Transparency & trust (7%) | 58 | 65 |

| Fact (where they differ) | LlamaFirewall | Presidio |
| --- | --- | --- |
| Kind | Agent framework | SDK + MCP |
| Vendor | Meta | Data Privacy Stack |
| Transports |  | HTTP |
| Licence | MIT (library). The Prompt Guard 2 weights it downloads are under the Llama 4 Community Licence | MIT |
| Last release | 2025-05-29 | 2026-07-22 |
| Popularity | 4.4k stars, 1k PyPI/wk | 11k stars, 1.2M PyPI/wk |