Home › Alternatives › Alternatives to Langfuse
Alternatives to Langfuse
17 tools with a similar purpose to Langfuse. Open-source LLM engineering platform for tracing, evaluation and prompt management.
About this list. These tools overlap with Langfuse in what they do; they are not ranked and are not claimed to be better or worse. Features and pricing change often, so verify on each vendor's site.
Langfuse at a glance
- Category
- AI Developer Tools
- Pricing model
- Freemium Source: https://langfuse.com/pricing
- Official site
- https://langfuse.com/ · Details
17 alternatives
| Tool | What it does | Pricing | Link |
|---|---|---|---|
| LangSmith | Observability, evaluation and deployment platform for LLM applications. | See site | Official site |
| Braintrust | Evaluation and observability platform for AI products. | Freemium | Official site |
| Helicone | Open-source LLM observability and gateway platform. | Freemium | Official site |
| Arize Phoenix | Open-source observability and evaluation tool for LLM apps. | See site | Official site |
| Opik | Open-source platform from Comet for evaluating and monitoring LLM applications. | See site | Official site |
| Weave | Weights & Biases toolkit for tracking and evaluating LLM applications. | See site | Official site |
| HoneyHive | Observability and evaluation platform for testing and monitoring AI agents. | Freemium | Official site |
| Galileo | AI evaluation and observability platform for measuring, monitoring and protecting LLM apps and agents. | See site | Official site |
| Confident AI | LLM evaluation platform built on the open-source DeepEval framework. | Freemium | Official site |
| Laminar | Open-source observability and evaluation platform for AI agents. | Freemium | Official site |
| Evidently AI | Open-source and cloud tools for evaluating, testing and monitoring ML and LLM systems. | See site | Official site |
| Promptfoo | Open-source tool for testing and red-teaming prompts, models and agents. | See site | Official site |
| Pydantic Logfire | Observability platform from the Pydantic team for tracing apps and LLM calls, built on OpenTelemetry. | Freemium | Official site |
| LangWatch | LLM observability, evaluation and agent testing platform. | Freemium | Official site |
| TruLens | Open-source library for evaluating and tracing LLM apps and agents. | Free | Official site |
| Comet ML | ML experiment tracking, evaluation and model management. | Freemium | Official site |
| WhyLabs | AI observability platform for data and model monitoring. | See site | Official site |
Alternatives with a free plan or tier
Braintrust, Helicone, HoneyHive, Confident AI, Laminar, Pydantic Logfire, LangWatch, TruLens, Comet ML.
Side-by-side comparisons
Best AI tools for AI development and operations · All alternatives guides