List of the Top AI Agent Observability Tools for OpenTelemetry in 2026

Approximately 25 million engineers are employed across a wide variety of specific roles. As companies increasingly transform into software-centric organizations, engineers are leveraging New Relic to obtain real-time insights and analyze performance trends of their applications. This capability enables them to enhance their resilience and deliver outstanding customer experiences. New Relic stands out as the sole platform that provides a comprehensive all-in-one solution for these needs. It supplies users with a secure cloud environment for monitoring all metrics and events, robust full-stack analytics tools, and clear pricing based on actual usage. Furthermore, New Relic has cultivated the largest open-source ecosystem in the industry, simplifying the adoption of observability practices for engineers and empowering them to innovate more effectively. This combination of features positions New Relic as an invaluable resource for engineers navigating the evolving landscape of software development.

Datadog serves as a comprehensive monitoring, security, and analytics platform tailored for developers, IT operations, security professionals, and business stakeholders in the cloud era. Our Software as a Service (SaaS) solution merges infrastructure monitoring, application performance tracking, and log management to deliver a cohesive and immediate view of our clients' entire technology environments. Organizations across various sectors and sizes leverage Datadog to facilitate digital transformation, streamline cloud migration, enhance collaboration among development, operations, and security teams, and expedite application deployment. Additionally, the platform significantly reduces problem resolution times, secures both applications and infrastructure, and provides insights into user behavior to effectively monitor essential business metrics. Ultimately, Datadog empowers businesses to thrive in an increasingly digital landscape.

Netra is the reliability platform for AI agents, enabling teams to observe, evaluate, simulate, and continuously improve every decision their agents make, so they can ship with confidence and identify regressions before they reach users. Built on OpenTelemetry, SOC2 Type II certified, and compliant with GDPR and HIPAA. Key Features 1. Observability: Full-fidelity tracing that covers every phase of multi-step, multi-agent, and multi-tool workflows. Each reasoning step, LLM call, tool invocation, and retrieval is captured in full, with inputs, outputs, timing, and cost recorded at every stage. 2. Evaluation: Automated quality scoring on every agent decision, powered by built-in rubrics, custom LLM-as-judge and code evaluators, and online evaluations on live traffic. Automated checks ensure regressions are caught and stopped before they reach production. 3. Simulation: Agents are stress-tested against thousands of real and synthetic scenarios before going live. Teams can run diverse personas, conduct A/B comparisons against a baseline, and quantify confidence levels before any user interaction. 4. Prompt Management: Every prompt is versioned, lineage-tracked, and rollback-safe. Every production response can be traced back to the exact prompt version that generated it, ensuring complete accountability and control. Netra is built on OpenTelemetry, making it compatible with any OTLP-compliant backend and ensuring teams can get started with just 2 to 3 lines of code. It integrates with 14+ LLM providers including OpenAI, Anthropic, Google Gemini, and AWS Bedrock, and 12+ AI frameworks including LangChain, LangGraph, CrewAI, and LlamaIndex. The platform is SOC2 Type II certified and compliant with GDPR and HIPAA, with strict US and EU data residency and zero cross-region data sharing. Enterprise teams get on-premise deployment, isolated databases, and SSO. Available on a Free plan, a Pro plan at $39 per month, and custom Enterprise plan.

PRISM functions as a robust platform dedicated to the oversight and evaluation of AI agents, tailored for teams involved in the creation and upkeep of AI applications. It monitors a wide range of elements including model invocations, utilized tools, data access, user sessions, and outcomes, which aids teams in experimenting with various scenarios, analyzing results, identifying recurring problems, and validating improvements. Additionally, the platform offers integration possibilities through its SDK and API, as well as compatibility with OpenTelemetry and frameworks like LangChain, facilitating efficient workflow management. This all-encompassing strategy guarantees that AI applications not only operate at peak efficiency but also undergo continuous enhancement. By leveraging PRISM, teams can ensure a more reliable and responsive development environment for their AI initiatives.

OpenLIT functions as an advanced observability tool that seamlessly integrates with OpenTelemetry, specifically designed for monitoring applications. It streamlines the process of embedding observability into AI initiatives, requiring merely a single line of code for its setup. This innovative tool is compatible with prominent LLM libraries, including those from OpenAI and HuggingFace, which makes its implementation simple and intuitive. Users can effectively track LLM and GPU performance, as well as related expenses, to enhance efficiency and scalability. The platform provides a continuous stream of data for visualization, which allows for swift decision-making and modifications without hindering application performance. OpenLIT's user-friendly interface presents a comprehensive overview of LLM costs, token usage, performance metrics, and user interactions. Furthermore, it enables effortless connections to popular observability platforms such as Datadog and Grafana Cloud for automated data export. This all-encompassing strategy guarantees that applications are under constant surveillance, facilitating proactive resource and performance management. With OpenLIT, developers can concentrate on refining their AI models while the tool adeptly handles observability, ensuring that nothing essential is overlooked. Ultimately, this empowers teams to maximize both productivity and innovation in their projects.

Phoenix is an open-source library designed to improve observability for experimentation, evaluation, and troubleshooting. It enables AI engineers and data scientists to quickly visualize information, evaluate performance, pinpoint problems, and export data for further development. Created by Arize AI, the team behind a prominent AI observability platform, along with a committed group of core contributors, Phoenix integrates effortlessly with OpenTelemetry and OpenInference instrumentation. The main package for Phoenix is called arize-phoenix, which includes a variety of helper packages customized for different requirements. Our semantic layer is crafted to incorporate LLM telemetry within OpenTelemetry, enabling the automatic instrumentation of commonly used packages. This versatile library facilitates tracing for AI applications, providing options for both manual instrumentation and seamless integration with platforms like LlamaIndex, Langchain, and OpenAI. LLM tracing offers a detailed overview of the pathways traversed by requests as they move through the various stages or components of an LLM application, ensuring thorough observability. This functionality is vital for refining AI workflows, boosting efficiency, and ultimately elevating overall system performance while empowering teams to make data-driven decisions.

Openlayer is an AI governance and observability platform that helps enterprises evaluate, monitor, and control both traditional ML and generative AI systems. The platform is designed for modern AI environments that include LLM applications, RAG pipelines, agentic systems, and complex multi-step workflows. Openlayer provides more than 100 automated tests for evaluating model quality, safety, reliability, data quality, performance, and policy compliance. Teams can use these tests to automate comprehensive model evaluations and identify issues before AI systems affect users, customers, or business operations. The platform’s observability features provide full traceability across prompts, retrieved context, agents, tool usage, intermediate steps, model outputs, and workflow decisions. Real-time guardrails help prevent prompt injections, PII leakage, biased outputs, toxicity, hallucinations, and other AI safety risks. Openlayer supports teams across the full AI lifecycle, from early experimentation and validation to production monitoring and governance reporting. Its governance automation capabilities help organizations align AI development and deployment processes with responsible AI frameworks such as NIST and the EU AI Act. The platform is built for enterprises that need to innovate with AI while maintaining security, compliance, explainability, and operational oversight. Openlayer also helps teams manage risk across both classic machine learning models and newer GenAI systems, giving organizations a unified approach to AI quality and trust. By combining automated testing, observability, real-time protection, traceability, and governance workflows, Openlayer enables safer, more reliable, and more responsible AI operations at scale.

telemetry.dev functions as an advanced observability platform that seamlessly integrates with OpenTelemetry, specifically tailored for AI agents and applications that utilize large language models. It empowers developers to track a variety of components, including model invocations, tool operations, data retrievals, logging, and performance metrics, all while facilitating the analysis of issues related to failures, delays, token usage, and cost forecasts. Furthermore, users are able to make comparisons between different models, service providers, and operational environments, which provides richer insights into overall performance metrics. The platform boasts built-in support for both TypeScript and Python SDKs, as well as a multitude of integrations for different providers and frameworks, in addition to standard OTLP/HTTP data ingestion methods. To prioritize data privacy and security, it features environment-specific capture controls, SDK masking techniques, and server-side redaction, which allows teams to handle sensitive information linked to prompts, responses, and telemetry data with care. This extensive range of functionalities not only optimizes the performance of AI applications but also strengthens observability within organizational frameworks, ultimately driving enhanced operational efficiency. With such capabilities, organizations can better manage and refine their AI strategies to meet evolving demands.

Lucidic AI serves as a specialized analytics and simulation platform tailored for the creation of AI agents, boosting both transparency and efficiency in what are often intricate workflows. This innovative tool provides developers with interactive insights, including searchable replays of workflows, comprehensive video guides, and visual representations of decision-making processes, such as decision trees and comparative simulation analyses, which illuminate the reasoning behind an agent's performance outcomes. By drastically reducing iteration times from weeks or days down to mere minutes, it enhances the debugging and optimization processes through quick feedback loops, real-time editing capabilities, extensive simulation features, trajectory clustering, customizable evaluation metrics, and prompt versioning. In addition, Lucidic AI ensures seamless compatibility with prominent large language models and frameworks, while also incorporating robust quality assurance and quality control functionalities, including alerts and sandboxing for workflows. This all-encompassing platform not only accelerates the development of AI projects but also fosters a clearer understanding of agent behavior, equipping developers with the tools needed for rapid refinement and innovation. As a result, users can expect a more streamlined approach to AI development, paving the way for future advancements in the field.