Weave suits teams building or operating production AI agents that need tracing, evaluations, interaction monitoring, or prompt comparisons.
Free plan Free trial Open source From $60 a month iPhone & iPadWebWindowsMacLinuxAPI+1
Best Llm Monitoring 2026
Every product here is ranked by Samsung Mobile US Press's record score: what its maker publishes about it, where it runs (Android first), whether it is free to try, and how recently the facts were read.
02
Opik
Opik suits teams developing applications or agents that call an LLM and need to inspect, evaluate, and monitor their behavior.
WebWindowsMac+3 Record6.1 Visit
03
Future AGI AI Evaluation SDK
The platform is presented for startup and enterprise teams building and operating AI agents.
WebWindowsMac+3 Record6.0 Visit
04
Langfuse
Langfuse suits teams building AI agent applications that need tracing, prompt management, and evaluation tools.
WebLinuxAPI+1 Record5.7 Visit
05
LangWatch
LangWatch suits AI teams working on agents, including developers, product owners, QA, and domain experts involved in evaluation workflows.
WebMacLinux+2 Record5.7 Visit
6
OpenLIT
WebWindowsMac+3 Free plan Record5.6 Visit OpenLIT suits developers who want to observe LLM applications, prompts, evaluations, and costs.
7
Agenta
WebAPISelf-hosted $29 a month Record5.5 Visit Agenta suits teams that want to create and operate AI agents across work tools, with cloud or self-hosted deployment options.
8
LangSmith
WebWindowsMac+3 $39 usage-based Record5.3 Visit LangSmith suits teams developing AI agents that need evaluation, prompt tools, tracing, and production monitoring.
10
Helicone
WebAPISelf-hosted $79 usage-based Record5.1 Visit It suits teams building or operating AI applications that need provider routing, request tracing, or cost visibility.
12
Braintrust
WebAPISelf-hosted $249 a month Record5.0 Visit Braintrust is intended for teams running AI agents in production, from early-stage projects to enterprise deployments.
14
Laminar
WebAPISelf-hosted $30 a month Record4.8 Visit Laminar suits teams building AI agents that need to trace model and tool activity, investigate runs, or evaluate changes against datasets.
16
Portkey
WebAPISelf-hosted $49 a month Record4.7 Visit Portkey suits teams building or operating applications that use multiple AI models and need routing, activity monitoring, and prompt management.
17
Arize AX
WebAPISelf-hosted $50 a month Record4.5 Visit Arize AX suits teams working to observe, evaluate, and improve AI agents in production.
18
Galileo
WebAPISelf-hosted $100 a month, billed yearly Record4.5 Visit Galileo is designed for engineers, product managers, and subject matter experts building AI applications.
19
Arize Phoenix
WebAPISelf-hosted Free plan Record4.4 Visit Phoenix suits teams that need to inspect AI application traces and compare evaluation results across versions.
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