Alternatives to TruLens

OpenTelemetry-native observability with autonomous AI SRE Agent0, plus AI Coding Insights to monitor coding agents in production.

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

Open-source observability and evaluation for AI agents.

Open-source OpenTelemetry LLM observability for Python devs

Open source AI engineering platform for building, debugging, and monitoring agents, LLMs, and ML models.

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

Open-source framework for systematic LLM evaluation replacing vibe checks

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

Open-source LLM observability that traces, evaluates, and manages prompts from prototype to production.

Open-source AI observability with privacy-preserving logging and LLM security toolkit

Open-source product OS unifying analytics, session replay, feature flags, and a data warehouse.

Open-source AI observability and evals for the agentic era

Open-source LLM and VLM evaluation platform for standardized benchmarking

Free open-source widget tracking tokens, cost, and limits across 28+ AI coding tools.

Open-source LLM engineering platform for observability, prompt management, and evaluation—self-hostable or cloud.

Free, self-hosted OpenTelemetry LLM observability and AI engineering platform for teams

Free open-source AI usage tracking & analytics for developers

LangSmith: AI agent observability, tracing, and evaluation platform

Simulate, evaluate, and observe your AI agents to ship reliable agents 5x faster.

Real-time experiment tracking for frontier AI model training, now owned by OpenAI

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

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

Simulate, evaluate, and improve voice AI agents with pre-launch testing and post-call scoring on every conversation.

Free local observability for AI coding agents — track tokens, cost & traces, no cloud.

Automated QA and observability for voice and chat AI agents.

ML experiment tracking and LLM development platform for teams

Enterprise AI platform for banking, insurance, and lending with pre-built finance models.

Mechanistic interpretability platform to understand, debug, and design AI models

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

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