Alternatives to Helicone

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

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

Open-source observability and evaluation for AI agents.

LangSmith: AI agent observability, tracing, and evaluation platform

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

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

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

Open-source OpenTelemetry LLM observability for Python devs

Enterprise AI quality platform unifying LLM evaluation, observability, red teaming, and governance.

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

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

Enterprise AI control plane uniting agentic observability, guardrails, and governance

Turn plain English into production-ready Honeycomb queries for faster debugging.

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

Turn offline evals into real-time AI guardrails with observability and eval engineering.

Open-source AI observability and evals for the agentic era

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

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

Serverless Postgres with branching, autoscaling, and a full backend for apps & agents.

Autonomous AI SRE agent for Kubernetes with eBPF observability and automated fix PRs.

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 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

Open-source OpenTelemetry-native framework for evaluating and tracing AI agents

Track, forecast, and optimize AI spend across providers.

Collaborative LLM dev platform for building, testing, and monitoring AI features.