Langfuse is described as 'Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more' and is a large language model (llm) tool in the ai tools & services category. There are more than 10 alternatives to Langfuse for a variety of platforms, including Web-based, SaaS, Docker, Self-Hosted and Python apps. The best Langfuse alternative is AcruxCore, which is both free and Open Source. Other great apps like Langfuse are Zespan, RapidClaw, AgentInspect and Opik.
Open-source LLM-ops platform combining prompt management, an AI gateway, tracing, a tool catalog, and evaluation in one self-hostable platform.
The reliability platform for AI agents - trace, evaluate, guard, and control the cost of every LLM call and agent handoff in production.
India
A boutique, white-glove platform for deploying and managing AI agents in production, with token cost optimization and self-hosting options.
AgentInspect captures framework-native TypeScript agent runs as local execution trees, derives deterministic TraceFacts and TraceContract checks for CI, and packages share-checked Evidence v2 artifacts for offline review.
Opik is an open-source platform for evaluating, testing and monitoring LLM applications. Built by Comet.
Helicone is the open-source LLM observability platform for developers to monitor, debug, and improve production-ready applications.
United States
Spanlens is open-source LLM observability built for application developers. Drop in a one-line proxy or SDK swap and every OpenAI, Anthropic, or Gemini call your app makes is captured with full request and response body, model, tokens, cost, and latency.
South Korea
Open-source solution for automated LLM prompt, agent, and RAG workflow testing, enabling red teaming, pentesting, and vulnerability scanning. Supports model comparisons across major AI providers with declarative configs, CI/CD, CLI, live reload, and web-based result sharing.
United States
Netra is the reliability platform for AI agents to observe, evaluate, simulate, and continuously improve every decision your agents make, so you can ship with confidence and catch regressions before your users do.
United States
FutureAGI is an open-source, end-to-end AI agent engineering platform built for teams shipping production AI agents. It covers the full lifecycle: simulate edge cases before launch, evaluate every agent decision and trace, catch hallucinations in real time, auto-optimize, and...
United States
Glassbrain captures every step of your AI app as an interactive visual trace tree. Click any node, swap the input, replay instantly without redeploying. Snapshot mode stores deterministic replays. Live mode hits your actual stack.
India
