Alternatives to Lmnr

Open-source LLM agent observability with tracing, evals, and experiments

Open-source LLM observability for tracing, evaluating, and optimizing AI agents end-to-end.

Open-source AI evaluation and observability for LLMs, RAG, agents, and predictive ML.

Free, open-source AI observability and evals for debugging agents

AI agent observability that detects and auto-fixes silent failures in production.

OpenTelemetry-native observability with AI SRE Agent0 for automated production insight.

Open-source AI agent tracing and LLM-as-judge evaluation platform for debugging and improving agent quality.

Open-source OpenTelemetry observability for Python LLM apps

OpenTelemetry-native open-source AI agent evaluation and tracing

Open source platform to debug, evaluate, monitor, and optimize AI agents and ML models.

Open-source AI observability for privacy-preserving logging and LLM security

Open-source workspace to build, evaluate, and deploy AI agents through chat

Open-source framework to replace vibe checks with reproducible, LLM-driven evaluation loops for RAG and agents.

Open-source LLM observability and prompt management for AI engineering teams.

Open-source, OpenTelemetry-native LLM observability and AI engineering platform for teams.

AI agent observability and evaluation platform for LLM apps

AI observability and evals that auto-fix agent code via git

Enterprise AI control plane for observability, guardrails, and governance of agentic AI.

PostHog is an open-source product OS that unifies analytics, session replay, feature flags, and a data warehouse in one platform.

Trace, debug, and deploy reliable AI agents with full observability

Active observability for AI agents: trace, evaluate, and discover patterns at scale.

Open-source LLM & VLM evaluation platform for standardized benchmarking

Free open-source desktop widget tracking tokens, cost, and limits across 29+ AI coding tools.

Free open-source AI usage tracking & analytics for developers

Free local observability for AI coding agents — tokens, cost & traces on your machine.

Open-source Python library to track the real-time carbon footprint of your GenAI API calls.

Pre-built AI models for finance, from fraud detection to agentic workflow orchestration.

AI observability and eval engineering platform that turns offline evals into production guardrails.

Enterprise LLM evaluation, observability, and red teaming in one platform.

Simulate, evaluate, and observe AI agents—ship reliable agents 5x faster with Maxim.