Best AI Agent Observability Tools for OpenTelemetry

Find and compare the best AI Agent Observability tools for OpenTelemetry in 2026

Use the comparison tool below to compare the top AI Agent Observability tools for OpenTelemetry on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    New Relic Reviews
    Top Pick
    See Tool
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    Around 25 million engineers work across dozens of distinct functions. Engineers are using New Relic as every company is becoming a software company to gather real-time insight and trending data on the performance of their software. This allows them to be more resilient and provide exceptional customer experiences. New Relic is the only platform that offers an all-in one solution. New Relic offers customers a secure cloud for all metrics and events, powerful full-stack analytics tools, and simple, transparent pricing based on usage. New Relic also has curated the largest open source ecosystem in the industry, making it simple for engineers to get started using observability.
  • 2
    Datadog Reviews
    Top Pick

    Datadog

    Datadog

    $15.00/host/month
    7 Ratings
    Datadog is the cloud-age monitoring, security, and analytics platform for developers, IT operation teams, security engineers, and business users. Our SaaS platform integrates monitoring of infrastructure, application performance monitoring, and log management to provide unified and real-time monitoring of all our customers' technology stacks. Datadog is used by companies of all sizes and in many industries to enable digital transformation, cloud migration, collaboration among development, operations and security teams, accelerate time-to-market for applications, reduce the time it takes to solve problems, secure applications and infrastructure and understand user behavior to track key business metrics.
  • 3
    OpenLIT Reviews

    OpenLIT

    OpenLIT

    Free
    OpenLIT serves as an observability tool that is fully integrated with OpenTelemetry, specifically tailored for application monitoring. It simplifies the integration of observability into AI projects, requiring only a single line of code for setup. This tool is compatible with leading LLM libraries, such as those from OpenAI and HuggingFace, making its implementation feel both easy and intuitive. Users can monitor LLM and GPU performance, along with associated costs, to optimize efficiency and scalability effectively. The platform streams data for visualization, enabling rapid decision-making and adjustments without compromising application performance. OpenLIT's user interface is designed to provide a clear view of LLM expenses, token usage, performance metrics, and user interactions. Additionally, it facilitates seamless connections to widely-used observability platforms like Datadog and Grafana Cloud for automatic data export. This comprehensive approach ensures that your applications are consistently monitored, allowing for proactive management of resources and performance. With OpenLIT, developers can focus on enhancing their AI models while the tool manages observability seamlessly.
  • 4
    Arize Phoenix Reviews
    Phoenix serves as a comprehensive open-source observability toolkit tailored for experimentation, evaluation, and troubleshooting purposes. It empowers AI engineers and data scientists to swiftly visualize their datasets, assess performance metrics, identify problems, and export relevant data for enhancements. Developed by Arize AI, the creators of a leading AI observability platform, alongside a dedicated group of core contributors, Phoenix is compatible with OpenTelemetry and OpenInference instrumentation standards. The primary package is known as arize-phoenix, and several auxiliary packages cater to specialized applications. Furthermore, our semantic layer enhances LLM telemetry within OpenTelemetry, facilitating the automatic instrumentation of widely-used packages. This versatile library supports tracing for AI applications, allowing for both manual instrumentation and seamless integrations with tools like LlamaIndex, Langchain, and OpenAI. By employing LLM tracing, Phoenix meticulously logs the routes taken by requests as they navigate through various stages or components of an LLM application, thus providing a clearer understanding of system performance and potential bottlenecks. Ultimately, Phoenix aims to streamline the development process, enabling users to maximize the efficiency and reliability of their AI solutions.
  • 5
    Lucidic AI Reviews
    Lucidic AI is a dedicated analytics and simulation platform designed specifically for the development of AI agents, enhancing transparency, interpretability, and efficiency in typically complex workflows. This tool equips developers with engaging and interactive insights such as searchable workflow replays, detailed video walkthroughs, and graph-based displays of agent decisions, alongside visual decision trees and comparative simulation analyses, allowing for an in-depth understanding of an agent's reasoning process and the factors behind its successes or failures. By significantly shortening iteration cycles from weeks or days to just minutes, it accelerates debugging and optimization through immediate feedback loops, real-time “time-travel” editing capabilities, extensive simulation options, trajectory clustering, customizable evaluation criteria, and prompt versioning. Furthermore, Lucidic AI offers seamless integration with leading large language models and frameworks, while also providing sophisticated quality assurance and quality control features such as alerts and workflow sandboxing. This comprehensive platform ultimately empowers developers to refine their AI projects with unprecedented speed and clarity.
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