anonym.legal vs Portkey Guardrails
Portkey is an LLM gateway with guardrails including Advanced PII Redaction that automatically detects and redacts sensitive info before reaching the LLM. anonym.legal is a dedicated PII anonymization platform with 285+ entity types, reversible encryption, and multiple interfaces.
Feature Comparison
| Feature | anonym.legal | Portkey Guardrails |
|---|---|---|
| Primary Focus | PII Anonymization | LLM Gateway / Guardrails |
| Pricing | Free to €29/mo | Not found |
| Free Tier | Yes | Not found |
| PII Detection | Yes | Check |
| PII Redaction | Yes | Check |
| Reversible Encryption | AES-256-GCM | Not found |
| Entity Types | 285+ | Not specified |
| Language Support | 48 languages | Not specified |
| REST API | Yes | Not found |
| Chrome Extension | Yes | Not found |
| MCP Server (AI Tools) | Yes | MCP Gateway (claimed) |
| Office Add-in | Yes | Not found |
| Desktop App | Yes | Not found |
| GenAI Security Gateway | No | Check |
| Zero-Knowledge Auth | Yes | Not found |
Comparison based on publicly available information. "Not found" indicates feature not documented on product page. Last updated February 2026.
Why Choose anonym.legal
Reversible Encryption
AES-256-GCM encryption with your keys. Decrypt when needed for audits, court orders, or compliance reviews.
285+ Entity Types
Detect PII across healthcare, financial, legal, and personal data categories with checksum validation for IDs.
Chrome Extension
Protect data before sending to ChatGPT, Claude, or Gemini. Browser-level anonymization for AI workflows.
MCP Server
Native integration with Claude Desktop via Model Context Protocol. Build privacy-first AI workflows.
48 Languages
Multi-language entity recognition with country-specific ID validation. Global coverage for international documents.
Transparent Pricing
Free tier + €3-29/month plans with no sales calls required. Know your costs upfront.
Zero-Knowledge Security
Your password never leaves your device. Even if our servers were breached, your credentials remain safe.
When Portkey Guardrails Might Be Better
Portkey excels in LLM gateway and observability scenarios:
- LLM gateway: Unified gateway for routing requests to multiple LLM providers
- AI observability: Monitoring, logging, and analytics for LLM applications
- Multiple guardrails: PII redaction as part of broader guardrails ecosystem
- LLM routing: Automatic failover and load balancing between LLM providers
- Developer SDK: Integration with existing LLM application architecture
Frequently Asked Questions
What's the difference between anonym.legal and Portkey Guardrails?
anonym.legal is a dedicated PII anonymization platform with 285+ entity types and multiple interfaces (API, Desktop, Chrome Extension, Office Add-in, MCP Server). Portkey is an LLM gateway with PII redaction as one of its guardrails features. Different focus areas.
Does anonym.legal support reversible encryption?
Yes. anonym.legal provides AES-256-GCM reversible encryption. You can decrypt anonymized data when legally required. Reversible encryption documentation was not found on Portkey's guardrails page.
Can both protect LLM applications?
Yes, but differently. anonym.legal provides PII protection via Chrome Extension (for web AI), MCP Server (for Claude Desktop), and REST API. Portkey provides PII redaction as part of its LLM gateway guardrails.
Which has better entity coverage?
anonym.legal supports 285+ entity types with checksum validation. Portkey's entity type coverage for PII redaction is not publicly specified on their documentation.
Which has better language support?
anonym.legal supports 48 languages with country-specific ID validation. Portkey's language support for PII redaction is not publicly specified.
Does anonym.legal offer zero-knowledge authentication?
Yes. anonym.legal uses zero-knowledge authentication with Argon2id and HKDF. Your password is processed on your device — only a mathematical proof is sent to the server, never the actual password.
Try anonym.legal Free
Reversible encryption. 285+ entity types. Multiple interfaces. Start with 200 free tokens today.