# Llama Guard 4 vs Mistral Moderation API (slim)

> Mistral Moderation API scores 58.4 (C) on agent readiness against Llama Guard 4's 49.1 (D), and leads in 6 of 7 scored categories. Llama Guard 4 leads on payments & pricing. Both do guard moderation. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/llama-guard-vs-mistral-moderation.md (~2,400 tokens) · this version ~730 tokens · JSON https://www.anchorterminal.com/compare/llama-guard-vs-mistral-moderation.json · canonical https://www.anchorterminal.com/compare/llama-guard-vs-mistral-moderation
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Mistral Moderation API scores 58.4 (C) on agent readiness against Llama Guard 4's 49.1 (D), and leads in 6 of 7 scored categories. Llama Guard 4 leads on payments & pricing. Both do guard moderation.

- Llama Guard 4: D 49.1, rank #614 of 722 · https://www.anchorterminal.com/tools/llama-guard.min.md
- Mistral Moderation API: C 58.4, rank #451 of 722 · https://www.anchorterminal.com/tools/mistral-moderation.min.md
- 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 Payments & pricing, 45 against 40. Also No key needed to call it.
- 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 52; Agent ergonomics, 75 against 67; Maintenance & community, 33 against 28; Transparency & trust, 81 against 55. Also A hosted endpoint, with nothing to install.

| Category | Llama Guard 4 | Mistral Moderation API |
| --- | --- | --- |
| Reliability (16%) | 38 | 40 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 52 | 85 |
| Agent ergonomics (13%) | 67 | 75 |
| Security & auth (14%) | 53 | 54 |
| Payments & pricing (10%) | 45 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 28 | 33 |
| Transparency & trust (7%) | 55 | 81 |

| Fact (where they differ) | Llama Guard 4 | Mistral Moderation API |
| --- | --- | --- |
| Kind | Model API | HTTP API |
| Vendor | Meta | Mistral AI |
| Hosted endpoint | no (local only) | `https://api.mistral.ai/v1/moderations` |
| Auth | None | API key |
| Licence | Llama 4 Community Licence (source-available weights, not an OSI licence), with the Llama 4 acceptable use policy | none |
| llms.txt | no | yes |
| Last release | 2025-04-29 | 2026-03-01 |
| Terms last updated | 2025-04-05 | 2026-09-25 |
| Privacy policy last updated | no document linked | 2026-09-03 |
| Customer content may train models | not found in the text | yes, with an opt-out |
| Terms restrict benchmarking | not found in the text | yes |
| Terms or service can change without notice | not found in the text | yes |
| Popularity | 4.4k stars | 769 stars, 8.4M npm/wk, 3.7M PyPI/wk |
| Agent reviews | none | 3/5 (2) |