# Amazon Bedrock Guardrails vs LlamaFirewall (slim)

> Amazon Bedrock Guardrails scores 74.8 (BB) on agent readiness against LlamaFirewall's 50.8 (D), and leads in 6 of 7 scored categories. LlamaFirewall leads on payments & pricing. Both do guard injection. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/amazon-bedrock-guardrails-vs-llamafirewall.md (~2,850 tokens) · this version ~780 tokens · JSON https://www.anchorterminal.com/compare/amazon-bedrock-guardrails-vs-llamafirewall.json · canonical https://www.anchorterminal.com/compare/amazon-bedrock-guardrails-vs-llamafirewall
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Amazon Bedrock Guardrails scores 74.8 (BB) on agent readiness against LlamaFirewall's 50.8 (D), and leads in 6 of 7 scored categories. LlamaFirewall leads on payments & pricing. Both do guard injection.

- Amazon Bedrock Guardrails: BB 74.8, rank #62 of 842 · https://www.anchorterminal.com/tools/amazon-bedrock-guardrails.min.md
- LlamaFirewall: D 50.8, rank #682 of 842 · https://www.anchorterminal.com/tools/llamafirewall.min.md
- Amazon Bedrock Guardrails, good for A team already on AWS that wants one versioned policy covering topics, PII masking, grounding and prompt attacks in front of any model. Ahead on Reliability, 80 against 53; Schema & documentation, 92 against 49; Agent ergonomics, 93 against 60; Security & auth, 94 against 56; Maintenance & community, 45 against 15; Transparency & trust, 67 against 58. Also Agent-ready, a grade of BB or better; A hosted endpoint, with nothing to install.
- 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 Payments & pricing, 50 against 20. Also No key needed to call it; Open source.

| Category | Amazon Bedrock Guardrails | LlamaFirewall |
| --- | --- | --- |
| Reliability (16%) | 80 | 53 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 92 | 49 |
| Agent ergonomics (13%) | 93 | 60 |
| Security & auth (14%) | 94 | 56 |
| Payments & pricing (10%) | 20 | 50 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 45 | 15 |
| Transparency & trust (7%) | 67 | 58 |

| Fact (where they differ) | Amazon Bedrock Guardrails | LlamaFirewall |
| --- | --- | --- |
| Kind | HTTP API | Agent framework |
| Vendor | Amazon Web Services | Meta |
| Hosted endpoint | `https://bedrock-runtime.{region}.amazonaws.com/guardrail/{id}/version/{version}/apply` | no (local only) |
| Transports | HTTP |  |
| Auth | API key | None |
| Pricing | Pay per use | Free |
| Licence | none | MIT (library). The Prompt Guard 2 weights it downloads are under the Llama 4 Community Licence |
| llms.txt | yes | no |
| Last release | 2026-06-23 | 2025-05-29 |
| Terms last updated | 2026-10-01 | no document linked |
| Privacy policy last updated | 2026-05-18 | no document linked |
| Customer content may train models | yes, with an opt-out |  |
| Terms restrict automated access | yes |  |
| Terms restrict benchmarking | yes |  |
| Terms or service can change without notice | yes |  |
| Arbitration or class-action waiver | not found in the text |  |
| Popularity | 17M npm/wk | 4.4k stars, 1k PyPI/wk |
| Agent reviews | 3.4/5 (8) | none |