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Alternatives to Arize Phoenix
Browse other tools in tracing and monitoring and evaluations and testing. Follow their links to take a closer look.
The directory
Other tools to explore
Listed A–Z. Hosted and self-hosted options share one listing. About the labels
Tracing and monitoring 4
AgentOps
AgentOpsAgent observability software for recording runs, inspecting execution graphs, and monitoring application activity and model usage.
Details & sources
The repository includes a self-hosted dashboard and API backend, alongside the SDK.
Source repository ↗ · AgentOps repository including the app and backend.
Reviewed
Braintrust
BraintrustAn agent observability platform for collecting traces, exploring production behavior, and evaluating changes against datasets.
HostedSelf-hosted data planeDetails & sources
Enterprise self-hosted data plane. The UI, authentication, and control plane remain managed by Braintrust.
Reviewed
Langfuse
LangfuseAgent observability and evaluation software for inspecting traces, working with datasets, and testing application behavior.
Details & sources
Community code is MIT-licensed; enterprise directories and some add-on features require separate licensing.
Source repository ↗ · Community code outside ee/, web/src/ee/, and worker/src/ee/. Enterprise code has a separate license.
Reviewed
LangSmith
LangChainAn observability and evaluation platform for tracing agent runs, monitoring production behavior, and working with evaluation datasets.
HostedSelf-hostedDetails & sources
Enterprise plan add-on requiring a license key; the platform runs in the customer infrastructure.
Reviewed
Evaluations and testing 4
Braintrust
BraintrustAn agent observability platform for collecting traces, exploring production behavior, and evaluating changes against datasets.
HostedSelf-hosted data planeDetails & sources
Enterprise self-hosted data plane. The UI, authentication, and control plane remain managed by Braintrust.
Reviewed
DeepEval
Confident AIAn evaluation framework for running tests against agent outputs, trajectories, tool use, and individual application components.
Self-hostedOpen sourceApache-2.0Details & sources
The framework runs in your environment. Confident AI is a separate optional hosted platform; model-based evaluators may call configured external providers.
Source repository ↗ · DeepEval evaluation framework; optional Confident AI service terms are separate.
Reviewed
Langfuse
LangfuseAgent observability and evaluation software for inspecting traces, working with datasets, and testing application behavior.
Details & sources
Community code is MIT-licensed; enterprise directories and some add-on features require separate licensing.
Source repository ↗ · Community code outside ee/, web/src/ee/, and worker/src/ee/. Enterprise code has a separate license.
Reviewed
LangSmith
LangChainAn observability and evaluation platform for tracing agent runs, monitoring production behavior, and working with evaluation datasets.
HostedSelf-hostedDetails & sources
Enterprise plan add-on requiring a license key; the platform runs in the customer infrastructure.
Reviewed
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