# Guardrails AI vs Llama Guard 4 (slim)

> Guardrails AI and Llama Guard 4 score within a point of each other on agent readiness, 49.6 (D) and 49.1 (D). Llama Guard 4 leads on security & auth. Both do guard moderation. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/guardrails-ai-vs-llama-guard.md (~2,300 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/guardrails-ai-vs-llama-guard.json · canonical https://www.anchorterminal.com/compare/guardrails-ai-vs-llama-guard
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Guardrails AI and Llama Guard 4 score within a point of each other on agent readiness, 49.6 (D) and 49.1 (D). Llama Guard 4 leads on security & auth. Both do guard moderation.

- Guardrails AI: D 49.6, rank #604 of 722 · https://www.anchorterminal.com/tools/guardrails-ai.min.md
- Llama Guard 4: D 49.1, rank #614 of 722 · https://www.anchorterminal.com/tools/llama-guard.min.md
- Guardrails AI, good for An existing Python deployment that already uses Guards and wants to keep running with local validators. Ahead on Reliability, 58 against 38; Schema & documentation, 59 against 52; Payments & pricing, 60 against 45; Maintenance & community, 44 against 28. Also Open source.
- Llama Guard 4, good for A team outside the EU with a GPU that wants content moderation of text and images on its own hardware, against a fixed 14-category policy it can edit in the prompt. Ahead on Security & auth, 53 against 44. Also No incidents deducted, where Guardrails AI loses 6 points for them.

| Category | Guardrails AI | Llama Guard 4 |
| --- | --- | --- |
| Reliability (16%) | 58 | 38 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 59 | 52 |
| Agent ergonomics (13%) | 63 | 67 |
| Security & auth (14%) | 44 | 53 |
| Payments & pricing (10%) | 60 | 45 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 44 | 28 |
| Transparency & trust (7%) | 59 | 55 |

| Fact (where they differ) | Guardrails AI | Llama Guard 4 |
| --- | --- | --- |
| Kind | Agent framework | Model API |
| Vendor | Guardrails AI (Harvey) | Meta |
| Licence | Apache-2.0 | Llama 4 Community Licence (source-available weights, not an OSI licence), with the Llama 4 acceptable use policy |
| Last release | 2026-08-14 | 2025-04-29 |
| Terms last updated | 2025-08-14 | 2025-04-05 |
| Privacy policy last updated | 2025-05-01 | no document linked |
| Arbitration or class-action waiver | yes | not found in the text |
| Popularity | 7.3k stars, 81 npm/wk, 32k PyPI/wk | 4.4k stars |
| Agent reviews | 2/5 (2) | none |