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Alternatives to Braintrust
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
Arize Phoenix
Arize AISelf-hosted observability and evaluation software for tracing agent applications and running experiments with datasets.
Self-hostedSource availableElastic-2.0Details & sources
The reviewed Phoenix runtime uses Elastic License 2.0. Arize AX is a separate managed product.
Source repository ↗ · Phoenix application runtime; some related packages may have different licenses.
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
Arize Phoenix
Arize AISelf-hosted observability and evaluation software for tracing agent applications and running experiments with datasets.
Self-hostedSource availableElastic-2.0Details & sources
The reviewed Phoenix runtime uses Elastic License 2.0. Arize AX is a separate managed product.
Source repository ↗ · Phoenix application runtime; some related packages may have different licenses.
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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