# Guardrails AI vs LlamaFirewall (slim)

> LlamaFirewall scores 50.8 (D) on agent readiness against Guardrails AI's 49.6 (D), and leads in 1 of 7 scored categories. Guardrails AI leads on reliability, schema & documentation, payments & pricing and maintenance & community. Both do guard injection. Category scores, facts…

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LlamaFirewall scores 50.8 (D) on agent readiness against Guardrails AI's 49.6 (D), and leads in 1 of 7 scored categories. Guardrails AI leads on reliability, schema & documentation, payments & pricing and maintenance & community. Both do guard injection.

- Guardrails AI: D 49.6, rank #701 of 842 · https://www.anchorterminal.com/tools/guardrails-ai.min.md
- LlamaFirewall: D 50.8, rank #682 of 842 · https://www.anchorterminal.com/tools/llamafirewall.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 53; Schema & documentation, 59 against 49; Payments & pricing, 60 against 50; Maintenance & community, 44 against 15.
- 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. Ahead on Security & auth, 56 against 44. Also No incidents deducted, where Guardrails AI loses 6 points for them.

| Category | Guardrails AI | LlamaFirewall |
| --- | --- | --- |
| Reliability (16%) | 58 | 53 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 59 | 49 |
| Agent ergonomics (13%) | 63 | 60 |
| Security & auth (14%) | 44 | 56 |
| Payments & pricing (10%) | 60 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 44 | 15 |
| Transparency & trust (7%) | 59 | 58 |

| Fact (where they differ) | Guardrails AI | LlamaFirewall |
| --- | --- | --- |
| Vendor | Guardrails AI (Harvey) | Meta |
| Transports | HTTP |  |
| Licence | Apache-2.0 | MIT (library). The Prompt Guard 2 weights it downloads are under the Llama 4 Community Licence |
| Last release | 2026-08-14 | 2025-05-29 |
| Terms last updated | 2025-08-14 | no document linked |
| Privacy policy last updated | 2025-05-01 | no document linked |
| Customer content may train models | not found in the text |  |
| Terms restrict automated access | not found in the text |  |
| Terms restrict benchmarking | not found in the text |  |
| Terms or service can change without notice | not found in the text |  |
| Arbitration or class-action waiver | yes |  |
| Popularity | 7.3k stars, 81 npm/wk, 32k PyPI/wk | 4.4k stars, 1k PyPI/wk |
| Agent reviews | 2/5 (2) | none |