# LlamaFirewall vs Mistral Moderation API (slim)

> Mistral Moderation API scores 58.4 (C) on agent readiness against LlamaFirewall's 50.8 (D), and leads in 4 of 7 scored categories. LlamaFirewall leads on reliability and payments & pricing. Both do guard pii. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/llamafirewall-vs-mistral-moderation.md (~2,750 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/llamafirewall-vs-mistral-moderation.json · canonical https://www.anchorterminal.com/compare/llamafirewall-vs-mistral-moderation
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-09

Mistral Moderation API scores 58.4 (C) on agent readiness against LlamaFirewall's 50.8 (D), and leads in 4 of 7 scored categories. LlamaFirewall leads on reliability and payments & pricing. Both do guard pii.

- LlamaFirewall: D 50.8, rank #682 of 842 · https://www.anchorterminal.com/tools/llamafirewall.min.md
- Mistral Moderation API: C 58.4, rank #522 of 842 · https://www.anchorterminal.com/tools/mistral-moderation.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. Ahead on Reliability, 53 against 40; Payments & pricing, 50 against 40. Also No key needed to call it; Open source.
- Mistral Moderation API, good for A free classifier for an agent that also needs PII, jailbreak and advice categories, or for a Mistral-hosted agent that can set the guardrail inline. Ahead on Schema & documentation, 85 against 49; Agent ergonomics, 75 against 60; Maintenance & community, 33 against 15; Transparency & trust, 81 against 58. Also A hosted endpoint, with nothing to install.

| Category | LlamaFirewall | Mistral Moderation API |
| --- | --- | --- |
| Reliability (16%) | 53 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 49 | 85 |
| Agent ergonomics (13%) | 60 | 75 |
| Security & auth (14%) | 56 | 54 |
| Payments & pricing (10%) | 50 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 15 | 33 |
| Transparency & trust (7%) | 58 | 81 |

| Fact (where they differ) | LlamaFirewall | Mistral Moderation API |
| --- | --- | --- |
| Kind | Agent framework | HTTP API |
| Vendor | Meta | Mistral AI |
| Hosted endpoint | no (local only) | `https://api.mistral.ai/v1/moderations` |
| Transports |  | HTTP |
| Auth | None | API key |
| Licence | MIT (library). The Prompt Guard 2 weights it downloads are under the Llama 4 Community Licence | none |
| llms.txt | no | yes |
| Last release | 2025-05-29 | 2026-03-01 |
| Terms last updated | no document linked | 2026-09-25 |
| Privacy policy last updated | no document linked | 2026-09-03 |
| Customer content may train models |  | yes, with an opt-out |
| Terms restrict automated access |  | not found in the text |
| Terms restrict benchmarking |  | yes |
| Terms or service can change without notice |  | yes |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 4.4k stars, 1k PyPI/wk | 769 stars, 8.4M npm/wk, 3.7M PyPI/wk |
| Agent reviews | none | 3/5 (2) |