All resources

Guides — page 2.

Guide

What “self-hosted” actually means in AI observability

Learn what self-hosted AI observability means. Compare SaaS, hybrid, open-source, private, and air-gapped deployments with a vendor checklist.

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Guide

AI observability pricing: how traces, spans, scores, and seats change your bill

Compare AI observability pricing across LangSmith, Langfuse, Braintrust, Datadog, and Arize. See what each vendor meters, how evals…

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Guide

7 best AI agent evaluation platforms compared for 2026

The best LLM evaluation platform is the one that can evaluate the units your application actually produces, run…

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Guide

What is an agent observability platform?

Learn why APM fails for autonomous agents and how an agent observability platform uses trace-centric analysis and evaluation…

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Agents Hub Item

What are AI agents? Architecture, tools & how they work

Learn what AI agents are, how they work, and how to build them. Explore agent architecture, tools, memory,…

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Guide

LLM-as-a-Judge: When should you use it?

LLM judges fit a narrow window. Learn the specific conditions that qualify a task, three prerequisites, and when…

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Guide

AI agent tracing and evaluation: The complete developer guide

Learn how to trace and evaluate AI agents across spans, trajectories, and sessions. Build reliable evals with OpenTelemetry,…

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Guide

What is an AI product manager? A guide to the role and skills (2026)

What separates an AI product manager from a traditional PM and how to become an one, with tips…

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Guide

What is an agent harness? Architecture, controls, and evaluation

Learn how agent harnesses use tracing and evaluations to make AI agents observable, testable, safer, and easier to…

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Guide

The definitive guide to LLM evaluations

LLM evaluation: Get from pre-production to deployment with our definitive guide to LLM evaluation. Includes LLM eval types,…

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Guide

What is AI engineering?

AI engineering builds applications on top of models; it treats the model as a component rather than the…

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Guide

LLM evaluation costs: Understanding hidden costs & budget models

Learn what drives LLM evaluation costs across offline tests and production, from judge tokens and trace volume to…

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Don’t ship vibes.

Arize gives AI teams observability and evals to understand and improve agent performance.