# Lakera Guard vs Rebuff

**Leader by vioscaleAI score:** Lakera Guard

| Attribute | Lakera Guard | Rebuff |
|---|---|---|
| **vioscaleAI score** | 47.6 (56% (medium)) | 36.5 (24% (low)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 1 |
| adoption.github_stars | - | 1,529 |
| content.faq | `[{"answer":"A cloud-native security platform designed for AI applications that intercepts both user inputs and model outputs to detect and prevent prompt injections, data leakage, jailbreaks, and compliance violations before they reach the LLM. It is indexed under AI Guardrails.","source":"https://www.lakera.ai","question":"What is Lakera Guard?","confidence":0.6},{"answer":"Lakera Guard offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://www.lakera.ai","question":"Is Lakera Guard free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Lakera Guard. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://www.lakera.ai","question":"What platforms does Lakera Guard support?","confidence":0.6},{"answer":"Yes. Lakera Guard can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.lakera.ai","question":"Can Lakera Guard be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and GDPR for Lakera Guard. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Lakera Guard not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.lakera.ai/risk/compliance-regulatory-risks","question":"What security certifications does Lakera Guard have?","confidence":0.7}]` | `[{"answer":"A framework that protects AI systems from prompt injection attacks through four defense mechanisms: input heuristics, LLM-based analysis, vector database pattern recognition, and canary token detection. Currently in alpha/prototype stage. It is indexed under AI Guardrails.","source":"https://github.com/pricing","question":"What is Rebuff?","confidence":0.6},{"answer":"Rebuff offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://github.com/pricing","question":"Is Rebuff free?","confidence":0.6},{"answer":"Rebuff supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://github.com/pricing","question":"What platforms does Rebuff support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Rebuff, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://github.com/pricing","question":"Can Rebuff be self-hosted?","confidence":0.6},{"answer":"We have confirmed 3 integrations for Rebuff, including OpenAI, Supabase and Pinecone. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://github.com/pricing","question":"What does Rebuff integrate with?","confidence":0.6},{"answer":"Yes. Rebuff is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/protectai/rebuff","question":"Is Rebuff open source?","confidence":0.95},{"answer":"Rebuff is available worldwide. Its primary market is the United States.","source":"https://github.com/pricing","question":"Where is Rebuff available?","confidence":0.5}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | A cloud-native security platform designed for AI applications that intercepts both user inputs and model outputs to detect and prevent prompt injections, data leakage, jailbreaks, and compliance violations before they reach the LLM. | A framework that protects AI systems from prompt injection attacks through four defense mechanisms: input heuristics, LLM-based analysis, vector database pattern recognition, and canary token detection. Currently in alpha/prototype stage. |
| features.capabilities | `{"architecture_model":"managed_cloud_inline_proxy","prompt_injection_and_jailbreak_blocking":true,"inbound_pii_and_credit_card_masking_redaction":true,"sub_50ms_latency_guarantees_for_proxy_routing":true,"custom_regex_and_deterministic_denylist_rulesets":true}` | `{"architecture_model":"managed_cloud_inline_proxy","prompt_injection_and_jailbreak_blocking":true,"custom_regex_and_deterministic_denylist_rulesets":true,"zero_data_retention_and_prompt_privacy_guarantees":false}` |
| integrations.count | 2 | 3 |
| integrations.list | `[{"name":"Grafana"},{"name":"Splunk"}]` | `[{"name":"OpenAI"},{"name":"Supabase"},{"name":"Pinecone"}]` |
| language.primary | - | TypeScript |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"free","freeTier":true,"sourceUrl":"https://www.lakera.ai","retrievedAt":"2026-08-21T11:09:56.803Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-09-14T09:22:59.302Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | free | commercial |
| pricing.price_level | free | free |
| pricing.transparent | no | no |
| release.history | - | `[{"url":"https://github.com/protectai/rebuff/releases/tag/v0.1.1","date":"2024-01-20T01:11:48Z","type":"stable","version":"v0.1.1"},{"url":"https://github.com/protectai/rebuff/releases/tag/v0.1.0","date":"2024-01-20T01:03:53Z","type":"stable","version":"v0.1.0"},{"url":"https://github.com/protectai/rebuff/releases/tag/v0.0.6","date":"2024-01-20T00:48:23Z","type":"stable","version":"v0.0.6"}]` |
| security.gdpr | yes | - |
| security.soc2 | yes | - |
| security.trust_center | - | https://github.com/security |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=rebuff&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (AI Guardrails)

| Capability | Lakera Guard | Rebuff |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Architecture model | Managed cloud inline proxy | Managed cloud inline proxy |
| Prompt injection and jailbreak blocking | ✓ | ✓ |
| Inbound pii and credit card masking redaction | ✓ | - |
| Outbound toxicity and competitor mention blocking | - | - |
| Hallucination and topical off brand drift detection | - | - |
| Sub 50ms latency guarantees for proxy routing | ✓ | - |
| Custom regex and deterministic denylist rulesets | ✓ | ✓ |
| Streaming token interception and chunked eval | - | - |
| Rag retrieval chunk poisoning defense | - | - |
| Zero data retention and prompt privacy guarantees | - | ✗ |
| SOC2 type ii | - | - |
| ISO 27001 | - | - |
| Pricing model | - | - |

*Source: vioscaleAI. Generated 2026-10-16T20:59:27.399Z. "-" = undocumented, not absent.*