Best Llm Monitoring in 2026

Future AGI AI Evaluation SDK

It suits startup and enterprise teams building or operating AI agents who need evaluation, simulation, and monitoring tools.

Braintrust

Braintrust is aimed at teams operating AI agents in production, from early-stage teams to enterprises.

Langfuse

Langfuse suits teams building AI agent applications that need tracing, prompt management, and evaluation tools.

LangSmith

LangSmith suits teams engineering AI agents that need evaluation, tracing, prompt work, deployment, and production monitoring.

LangWatch

LangWatch suits AI teams shipping agents, including developers, product owners, QA, and domain experts working with evaluation workflows.

Opik

Opik suits teams developing applications or agents that make calls to an LLM and want tracing and evaluation across the development cycle.

W&B Weave

Weave suits teams monitoring and evaluating production AI agents, particularly those using supported frameworks and models.

AX suits teams building AI agents that need tracing, evaluations, investigations, and experiments.

OpenLIT suits teams that need LLM tracing, evaluation, prompt management, and cost tracking, especially those seeking self-hosted deployment.

It suits teams operating AI applications that need model, retrieval, tool, prompt, and evaluation tracing.

Helicone

Helicone suits teams routing and observing AI application requests across model providers, including teams that need self-hosting or LLM cost tracking.

Laminar

Laminar suits teams instrumenting AI-agent systems that need tracing, evaluations, debugging, and dashboards.

Portkey suits teams that need a common API and operational controls for generative AI models and providers.

Galileo

Galileo is designed for engineers, product managers and subject matter experts building AI applications.

HoneyHive

HoneyHive is aimed at AI platform teams, AI engineers, domain experts, and risk or governance teams.