EvalGuard vs Langfuse.
Best-in-class tracing, zero red teamingLangfuse (YC W23) is the leading open-source LLM observability platform with best-in-class tracing and prompt management. It supports 100+ providers via LiteLLM integration. However, it has zero red teaming, zero eval scorers, no firewall, and no compliance features.
across the 12-row feature matrix · see “where Langfuseleads” below
Competitor data (GitHub stars, downloads, feature counts, funding / acquisition status) verified as of 2026-07-22. EvalGuard's own counts are sourced live from the drift-checked registry.
Coverage at a glance
EvalGuard vs Langfuse, by the numbers
Where both platforms publish a number, here's the gap. Our values come straight from the drift-checked registry; Langfuse's are quoted as published.
| Feature | EvalGuard | Langfuse |
|---|---|---|
| Red Team Plugins | 300+ | 0 |
| Eval Scorers | 200+ | Custom only |
| LLM Providers | 90+ | 100+ (via LiteLLM) |
| Tracing | OpenTelemetry | Best-in-class |
| Prompt Management | Versioning IDE + Diff | Yes |
| Compliance Frameworks | 50 | 0 |
| LLM Firewall | 5-layer | No |
| LLM Gateway | Yes | No |
| Cost Analytics | Yes | No |
| BYOK Encryption | Yes | No |
| NL→Eval Pipeline | Yes (unique in this guide) | No |
| Open Source | Apache 2.0 (SDKs + CLI) | Yes (YC W23) |
Why choose EvalGuard over Langfuse
- 300+ red team plugins — Langfuse has zero security testing
- 200+ eval scorers — Langfuse has no built-in evaluation metrics
- 5-layer firewall + gateway + cost analytics — Langfuse has none
- 50 compliance frameworks — Langfuse has zero
- NL→Eval pipeline for instant eval suite generation
Where Langfuse leads
- Langfuse has best-in-class tracing and observability depth
- Langfuse supports 100+ providers via LiteLLM integration
- Langfuse has a strong open-source community (YC W23 backed)
Ready to switch from Langfuse?
Start free. No credit card required. Migrate in minutes.