EvalGuard vs Patronus AI.
Specialized eval models (Lynx 70B, Glider) — depth-over-breadth research approachPatronus AI (patronus.ai, YC-backed) is an LLM evaluation platform built around proprietary specialized models — Lynx (70B hallucination-detection model) and Glider (continuous evaluation). Their bet is depth in a few high-value scorers rather than breadth across many. Strong on hallucination detection, light on red-team coverage and runtime protection.
Competitor data (GitHub stars, downloads, feature counts, funding / acquisition status) verified as of 2026-04-28. EvalGuard's own counts are sourced live from the drift-checked registry.
Coverage at a glance
EvalGuard vs Patronus AI, by the numbers
Where both platforms publish a number, here's the gap. Our values come straight from the drift-checked registry; Patronus AI's are quoted as published.
| Feature | EvalGuard | Patronus AI |
|---|---|---|
| Specialized eval models (Lynx 70B / Glider) | No (deferred — see Tier D) | Yes (their strength) |
| Eval Scorers (count) | 198 built-in | ~10 specialized |
| Attack Plugins | 249 | Limited |
| Attack Strategies | 43 | Limited |
| LLM Providers | 91 | Major providers only |
| Compliance Frameworks | 33 | SOC 2 |
| LLM Firewall | 5-layer, 2.57ms p95 | No runtime firewall |
| LLM Gateway | Yes | No |
| Agent Tracing (OTel) | Yes | Yes |
| Cost / FinOps Analytics | Yes | Limited |
| Prompt IDE | Yes | No |
| Open Source | Apache 2.0 | Closed-source SaaS |
| Self-hosted | Yes (Docker + Helm) | Enterprise only |
| Pricing transparency | Public ($49/mo Pro) | Sales-led / opaque |
Why choose EvalGuard over Patronus AI
- Platform breadth: 198 scorers + 249 attack plugins + firewall + gateway + compliance + cost analytics — Patronus is research-eval-only
- Open source (Apache 2.0) and self-hostable — Patronus is closed-source SaaS
- Public, transparent pricing starting at $49/mo Pro — Patronus is sales-led
- 33 compliance frameworks built-in — Patronus has SOC 2 only
- Runtime LLM firewall + gateway — Patronus does evaluation only, no inline protection
Where Patronus AI leads
- Lynx 70B specialized hallucination model is a real differentiator — purpose-trained on hallucination detection beats most general scorers on that one axis
- Glider continuous-eval model is a similar specialized-model bet on faithfulness scoring
- Strong research credibility (Patronus papers, academic partnerships)
- If hallucination detection is your single most important axis, Patronus's specialized model approach is a defensible choice
Ready to switch from Patronus AI?
Start free. No credit card required. Migrate in minutes.