Langfuse shows you what happened. AgentShield tells you if it was safe, compliant, and should have been allowed.
Langfuse is an open-source LLM engineering platform (now owned by ClickHouse). AgentShield is a governance and compliance platform for AI agents in production.
| Feature | Langfuse | AgentShield |
|---|---|---|
| Observability | ||
| Agent Tracing | ✓ | ✓ |
| Span Trees / Waterfall View | ✓ | ✓ |
| Token & Cost Tracking | ✓ | ✓ |
| Session Grouping | ✓ | ✓ |
| Risk & Safety | ||
| AI-Powered Risk Analysis | ✗ | ✓ |
| Real-Time Risk Alerts | ✗ | ✓ |
| Built-in Guardrails | ✗ monitors 3rd party only | ✓ |
| Adversarial Testing Suite | ✗ | ✓ 57+ scenarios |
| Governance | ||
| Human-in-the-Loop Approvals | ✗ | ✓ |
| Compliance Reports (EU AI Act) | ✗ | ✓ |
| Cost Budgets & Alerts | ✗ | ✓ |
| Engineering | ||
| Prompt Management | ✓ | ✗ |
| LLM-as-a-Judge Evaluations | ✓ | ✗ |
| Dataset Management | ✓ | ✗ |
| Open Source / Self-Hosting | ✓ MIT | ✗ |
| Plan | Langfuse | AgentShield |
|---|---|---|
| Free | 50K units, 2 users, 30 days | 1 agent, 1K events, keyword risk |
| Starter | $29/mo (Core) | $49/mo — AI analysis, tracing, approvals |
| Pro | $199/mo (SOC2, HIPAA) | $149/mo — compliance reports, testing |
| Enterprise | $2,499+/mo | Custom |
Yes. Langfuse excels at prompt engineering and LLM evaluation. AgentShield excels at runtime safety, compliance, and governance. Many teams use an observability tool for development and AgentShield for production safety.
Use Langfuse to build better prompts. Use AgentShield to make sure your agents stay safe.
3 lines of code. Risk analysis, compliance reports, and approval workflows from day one.