Head-to-head
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.
9
EvalGuard wins
1
Ties
2
Langfuse wins
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 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.
Red Team Plugins
EvalGuard0
Langfuse0
Compliance Frameworks
EvalGuard0
Langfuse0
LLM Providers
EvalGuard0
Langfuse0
Open Source
EvalGuard0
Langfuse0
| Feature | EvalGuard | Langfuse |
|---|---|---|
| Red Team Plugins | 250+ | 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 | 33 | 0 |
| LLM Firewall | 5-layer | No |
| LLM Gateway | Yes | No |
| Cost Analytics | Yes | No |
| BYOK Encryption | Yes | No |
| NL→Eval Pipeline | Yes (unique) | No |
| Open Source | Apache 2.0 | Yes (YC W23) |
Why choose EvalGuard over Langfuse
- 250+ 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
- 33 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)
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