Langfuse
Open-source LLM observability and evaluation platform for production AI apps.
About Langfuse
Langfuse is an open-source LLM engineering platform for tracing, monitoring, and evaluating AI applications. It provides detailed observability into LLM calls, costs, and latency, helping teams debug and optimize their AI products.
Key Features
💰 Pricing
Free self-hosted or Hobby cloud plan; Team plan from $59/month
Frequently Asked Questions
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📊 Comparison vs Alternatives
| Feature | ||||
|---|---|---|---|---|
| Pricing | Freemium | Freemium | Freemium | Freemium |
| Rating | ⭐ 4.5 | ⭐ 4.8 | ⭐ 4.8 | ⭐ 4.6 |
| Free Tier | ✅ | ✅ | ✅ | ✅ |
| Popularity | 72% | 100% | 94% | 92% |
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