How many Observability & Monitoring tools are listed?

10 total. 10 have a free option and 1 are open source.

What's a typical price for Observability & Monitoring tools?

Paid tiers average around $40/month across 8 tools with published pricing. Several tools only list contact-sales pricing and aren't counted here.

AI Agent Observability & Tracing

All 10 Observability & Monitoring tools on AgentsIndex. Filter, sort, and compare.

10 listed10 freeavg $44/month

Reviewed by Mathijs Bronsdijk · Updated Apr 13, 2026

The Observability & Monitoring catalog on AgentsIndex lists 10 tools built for this job. Most are built for engineers, data scientists, mid-market teams. 10 have a free option, 1 are open source. It's a maturing category with 10 tracked tools.

HoneyHive

AI observability and evaluation platform for tracing, monitoring, and testing LLM agents in production

Observability & Monitoring

HoneyHive is an AI observability platform that provides distributed tracing, online evaluations, and monitoring across 100+ LLMs and agent frameworks through OpenTelemetry. Teams use it to track cost, latency, and quality in production AI workflows.

Metoro

Kubernetes incident detection and automated fixes for SRE teams

Observability & Monitoring

Metoro is devops software for Kubernetes that detects incidents, finds root causes, and creates fix PRs for engineering teams.

AgentOps

Monitor, debug, and evaluate AI agents with minimal code

Observability & Monitoring

AgentOps is an observability platform for monitoring, debugging, and evaluating AI agents and LLM apps with minimal integration.

Dynatrace

AI-powered full-stack observability for cloud-native environments

Observability & Monitoring

Dynatrace is a full-stack observability platform that uses AI to automatically detect anomalies, identify root causes, and monitor applications, infrastructure, and user experience across cloud environments.

Arize Phoenix

Open-source LLM observability for tracing, evals, and prompt debugging

Observability & Monitoring

Arize Phoenix helps AI teams trace, evaluate, and optimize LLM apps in development with open-source observability tools.

Helicone

Open-source AI gateway for LLM observability, cost tracking, and optimization.

Observability & Monitoring

Helicone is an open-source AI gateway and LLM observability platform that logs, monitors, and optimizes requests across 100+ models with under 1ms overhead.